Home / 378,580.20-567,747.38-125,792.81

Finding the Fourth Proportional to 378,580.20, 567,747.38 and 125,792.81

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Solution

The fourth proportional to 378,580.20, 567,747.38 and 125,792.81 is: 188,648.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,580.20 : 567,747.38 = 125,792.81 : x
  2. Step 2: Convert to fraction form
    378,580.20/567,747.38 = 125,792.81/x
  3. Step 3: Cross multiply
    378,580.20x = 567,747.38 × 125,792.81
  4. Step 4: Simplify right side
    378,580.20x = 71,418,538,300.34
  5. Step 5: Solve for x
    x = 71,418,538,300.34/378,580.20
  6. Step 6: Final answer
    x = 188,648.37

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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.