Home / 534,764.76-802,138.59-129,960.24

Finding the Fourth Proportional to 534,764.76, 802,138.59 and 129,960.24

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Solution

The fourth proportional to 534,764.76, 802,138.59 and 129,960.24 is: 194,938.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,764.76 : 802,138.59 = 129,960.24 : x
  2. Step 2: Convert to fraction form
    534,764.76/802,138.59 = 129,960.24/x
  3. Step 3: Cross multiply
    534,764.76x = 802,138.59 × 129,960.24
  4. Step 4: Simplify right side
    534,764.76x = 104,246,123,669.66
  5. Step 5: Solve for x
    x = 104,246,123,669.66/534,764.76
  6. Step 6: Final answer
    x = 194,938.28

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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.