Finding the Fourth Proportional to 166,701.79, 230,055.02 and 91,250.29
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Solution
The fourth proportional to 166,701.79, 230,055.02 and 91,250.29 is: 125,928.99
Step by Step Solution
- Step 1: Write the proportion equation
166,701.79 : 230,055.02 = 91,250.29 : x - Step 2: Convert to fraction form
166,701.79/230,055.02 = 91,250.29/x - Step 3: Cross multiply
166,701.79x = 230,055.02 × 91,250.29 - Step 4: Simplify right side
166,701.79x = 20,992,587,290.96 - Step 5: Solve for x
x = 20,992,587,290.96/166,701.79 - Step 6: Final answer
x = 125,928.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.