Home / 148,387.80-222,320.88-123,586.68

Finding the Fourth Proportional to 148,387.80, 222,320.88 and 123,586.68

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Solution

The fourth proportional to 148,387.80, 222,320.88 and 123,586.68 is: 185,162.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,387.80 : 222,320.88 = 123,586.68 : x
  2. Step 2: Convert to fraction form
    148,387.80/222,320.88 = 123,586.68/x
  3. Step 3: Cross multiply
    148,387.80x = 222,320.88 × 123,586.68
  4. Step 4: Simplify right side
    148,387.80x = 27,475,899,453.88
  5. Step 5: Solve for x
    x = 27,475,899,453.88/148,387.80
  6. Step 6: Final answer
    x = 185,162.79

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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.