In this task, you will be given a list of numbers. The goal is to divide all the numbers in the list by a constant such that the sum of the resulting list is 1. The output should be rounded to 3 decimals.
Q: [165.152, -2.775, 3.203, 65.934, 120.568]
A: 
[ 0.469 -0.008  0.009  0.187  0.342]