Home / 129,494.17-194,240.98-40,755.43

Finding the Fourth Proportional to 129,494.17, 194,240.98 and 40,755.43

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Solution

The fourth proportional to 129,494.17, 194,240.98 and 40,755.43 is: 61,133.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,494.17 : 194,240.98 = 40,755.43 : x
  2. Step 2: Convert to fraction form
    129,494.17/194,240.98 = 40,755.43/x
  3. Step 3: Cross multiply
    129,494.17x = 194,240.98 × 40,755.43
  4. Step 4: Simplify right side
    129,494.17x = 7,916,373,488.54
  5. Step 5: Solve for x
    x = 7,916,373,488.54/129,494.17
  6. Step 6: Final answer
    x = 61,133.05

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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.