Finding the Fourth Proportional to 232,523.40, 348,785.10 and 74,767.80
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Solution
The fourth proportional to 232,523.40, 348,785.10 and 74,767.80 is: 112,151.70
Step by Step Solution
- Step 1: Write the proportion equation
232,523.40 : 348,785.10 = 74,767.80 : x - Step 2: Convert to fraction form
232,523.40/348,785.10 = 74,767.80/x - Step 3: Cross multiply
232,523.40x = 348,785.10 × 74,767.80 - Step 4: Simplify right side
232,523.40x = 26,077,894,599.78 - Step 5: Solve for x
x = 26,077,894,599.78/232,523.40 - Step 6: Final answer
x = 112,151.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.