Home / 129,727.62-194,591.43-59,665.86

Finding the Fourth Proportional to 129,727.62, 194,591.43 and 59,665.86

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Solution

The fourth proportional to 129,727.62, 194,591.43 and 59,665.86 is: 89,498.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,727.62 : 194,591.43 = 59,665.86 : x
  2. Step 2: Convert to fraction form
    129,727.62/194,591.43 = 59,665.86/x
  3. Step 3: Cross multiply
    129,727.62x = 194,591.43 × 59,665.86
  4. Step 4: Simplify right side
    129,727.62x = 11,610,465,019.58
  5. Step 5: Solve for x
    x = 11,610,465,019.58/129,727.62
  6. Step 6: Final answer
    x = 89,498.79

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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.