Home / 488,753.28-733,129.38-133,770.24

Finding the Fourth Proportional to 488,753.28, 733,129.38 and 133,770.24

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Solution

The fourth proportional to 488,753.28, 733,129.38 and 133,770.24 is: 200,655.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,753.28 : 733,129.38 = 133,770.24 : x
  2. Step 2: Convert to fraction form
    488,753.28/733,129.38 = 133,770.24/x
  3. Step 3: Cross multiply
    488,753.28x = 733,129.38 × 133,770.24
  4. Step 4: Simplify right side
    488,753.28x = 98,070,893,113.65
  5. Step 5: Solve for x
    x = 98,070,893,113.65/488,753.28
  6. Step 6: Final answer
    x = 200,655.21

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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.