Home / 148,359.20-222,320.10-126,051.80

Finding the Fourth Proportional to 148,359.20, 222,320.10 and 126,051.80

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Solution

The fourth proportional to 148,359.20, 222,320.10 and 126,051.80 is: 188,891.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,359.20 : 222,320.10 = 126,051.80 : x
  2. Step 2: Convert to fraction form
    148,359.20/222,320.10 = 126,051.80/x
  3. Step 3: Cross multiply
    148,359.20x = 222,320.10 × 126,051.80
  4. Step 4: Simplify right side
    148,359.20x = 28,023,848,781.18
  5. Step 5: Solve for x
    x = 28,023,848,781.18/148,359.20
  6. Step 6: Final answer
    x = 188,891.88

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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.