Finding the Fourth Proportional to 194,117.10, 267,874.38 and 108,079.62
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Solution
The fourth proportional to 194,117.10, 267,874.38 and 108,079.62 is: 149,145.86
Step by Step Solution
- Step 1: Write the proportion equation
194,117.10 : 267,874.38 = 108,079.62 : x - Step 2: Convert to fraction form
194,117.10/267,874.38 = 108,079.62/x - Step 3: Cross multiply
194,117.10x = 267,874.38 × 108,079.62 - Step 4: Simplify right side
194,117.10x = 28,951,761,198.14 - Step 5: Solve for x
x = 28,951,761,198.14/194,117.10 - Step 6: Final answer
x = 149,145.86
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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.