Finding the Fourth Proportional to 182,357.20, 273,535.80 and 129,213.10
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Solution
The fourth proportional to 182,357.20, 273,535.80 and 129,213.10 is: 193,819.65
Step by Step Solution
- Step 1: Write the proportion equation
182,357.20 : 273,535.80 = 129,213.10 : x - Step 2: Convert to fraction form
182,357.20/273,535.80 = 129,213.10/x - Step 3: Cross multiply
182,357.20x = 273,535.80 × 129,213.10 - Step 4: Simplify right side
182,357.20x = 35,344,408,678.98 - Step 5: Solve for x
x = 35,344,408,678.98/182,357.20 - Step 6: Final answer
x = 193,819.65
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Similar ratio
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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.