Step 1:
The first step to converting 163209.12732183 to a fraction is to re-write 163209.12732183 in the form p/q where p and q are both positive integers. To start with, 163209.12732183 can be written as simply 163209.12732183/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 163209.12732183, which in this case is 8. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 163209.12732183/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 163209.12732183/1 each by 100000000:
Step 3:
Now the last step is to simplify the fraction (if possible) by finding similar factors and cancelling them out, which leads to the following answer for 163209.12732183 as a fraction:
163209/1 / 1