Home / 129,568.89-194,377.83-50,678.13

Finding the Fourth Proportional to 129,568.89, 194,377.83 and 50,678.13

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Solution

The fourth proportional to 129,568.89, 194,377.83 and 50,678.13 is: 76,026.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,568.89 : 194,377.83 = 50,678.13 : x
  2. Step 2: Convert to fraction form
    129,568.89/194,377.83 = 50,678.13/x
  3. Step 3: Cross multiply
    129,568.89x = 194,377.83 × 50,678.13
  4. Step 4: Simplify right side
    129,568.89x = 9,850,704,937.86
  5. Step 5: Solve for x
    x = 9,850,704,937.86/129,568.89
  6. Step 6: Final answer
    x = 76,026.78

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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.