Home / 148,490.38-222,711.90-43,284.76

Finding the Fourth Proportional to 148,490.38, 222,711.90 and 43,284.76

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Solution

The fourth proportional to 148,490.38, 222,711.90 and 43,284.76 is: 64,920.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,490.38 : 222,711.90 = 43,284.76 : x
  2. Step 2: Convert to fraction form
    148,490.38/222,711.90 = 43,284.76/x
  3. Step 3: Cross multiply
    148,490.38x = 222,711.90 × 43,284.76
  4. Step 4: Simplify right side
    148,490.38x = 9,640,031,140.64
  5. Step 5: Solve for x
    x = 9,640,031,140.64/148,490.38
  6. Step 6: Final answer
    x = 64,920.24

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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.