Home / 129,105.71-193,658.41-44,865.88

Finding the Fourth Proportional to 129,105.71, 193,658.41 and 44,865.88

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Solution

The fourth proportional to 129,105.71, 193,658.41 and 44,865.88 is: 67,298.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,105.71 : 193,658.41 = 44,865.88 : x
  2. Step 2: Convert to fraction form
    129,105.71/193,658.41 = 44,865.88/x
  3. Step 3: Cross multiply
    129,105.71x = 193,658.41 × 44,865.88
  4. Step 4: Simplify right side
    129,105.71x = 8,688,654,984.05
  5. Step 5: Solve for x
    x = 8,688,654,984.05/129,105.71
  6. Step 6: Final answer
    x = 67,298.77

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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.