Home / 129,463.20-194,632.20-110,217.60

Finding the Fourth Proportional to 129,463.20, 194,632.20 and 110,217.60

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Solution

The fourth proportional to 129,463.20, 194,632.20 and 110,217.60 is: 165,698.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,463.20 : 194,632.20 = 110,217.60 : x
  2. Step 2: Convert to fraction form
    129,463.20/194,632.20 = 110,217.60/x
  3. Step 3: Cross multiply
    129,463.20x = 194,632.20 × 110,217.60
  4. Step 4: Simplify right side
    129,463.20x = 21,451,893,966.72
  5. Step 5: Solve for x
    x = 21,451,893,966.72/129,463.20
  6. Step 6: Final answer
    x = 165,698.78

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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.