Home / 129,195.62-193,793.19-34,425.86

Finding the Fourth Proportional to 129,195.62, 193,793.19 and 34,425.86

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Solution

The fourth proportional to 129,195.62, 193,793.19 and 34,425.86 is: 51,638.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,195.62 : 193,793.19 = 34,425.86 : x
  2. Step 2: Convert to fraction form
    129,195.62/193,793.19 = 34,425.86/x
  3. Step 3: Cross multiply
    129,195.62x = 193,793.19 × 34,425.86
  4. Step 4: Simplify right side
    129,195.62x = 6,671,497,227.89
  5. Step 5: Solve for x
    x = 6,671,497,227.89/129,195.62
  6. Step 6: Final answer
    x = 51,638.73

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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.