Home / 272,122.62-407,796.28-200,481.85

Finding the Fourth Proportional to 272,122.62, 407,796.28 and 200,481.85

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Solution

The fourth proportional to 272,122.62, 407,796.28 and 200,481.85 is: 300,437.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,122.62 : 407,796.28 = 200,481.85 : x
  2. Step 2: Convert to fraction form
    272,122.62/407,796.28 = 200,481.85/x
  3. Step 3: Cross multiply
    272,122.62x = 407,796.28 × 200,481.85
  4. Step 4: Simplify right side
    272,122.62x = 81,755,752,646.06
  5. Step 5: Solve for x
    x = 81,755,752,646.06/272,122.62
  6. Step 6: Final answer
    x = 300,437.18

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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.