Home / 129,240.60-193,781.52-50,262.78

Finding the Fourth Proportional to 129,240.60, 193,781.52 and 50,262.78

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Solution

The fourth proportional to 129,240.60, 193,781.52 and 50,262.78 is: 75,363.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,240.60 : 193,781.52 = 50,262.78 : x
  2. Step 2: Convert to fraction form
    129,240.60/193,781.52 = 50,262.78/x
  3. Step 3: Cross multiply
    129,240.60x = 193,781.52 × 50,262.78
  4. Step 4: Simplify right side
    129,240.60x = 9,739,997,907.83
  5. Step 5: Solve for x
    x = 9,739,997,907.83/129,240.60
  6. Step 6: Final answer
    x = 75,363.30

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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.