Home / 148,118.60-222,229.74-42,943.88

Finding the Fourth Proportional to 148,118.60, 222,229.74 and 42,943.88

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Solution

The fourth proportional to 148,118.60, 222,229.74 and 42,943.88 is: 64,430.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,118.60 : 222,229.74 = 42,943.88 : x
  2. Step 2: Convert to fraction form
    148,118.60/222,229.74 = 42,943.88/x
  3. Step 3: Cross multiply
    148,118.60x = 222,229.74 × 42,943.88
  4. Step 4: Simplify right side
    148,118.60x = 9,543,407,286.99
  5. Step 5: Solve for x
    x = 9,543,407,286.99/148,118.60
  6. Step 6: Final answer
    x = 64,430.85

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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.