Home / 148,624.20-222,965.10-74,752.20

Finding the Fourth Proportional to 148,624.20, 222,965.10 and 74,752.20

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Solution

The fourth proportional to 148,624.20, 222,965.10 and 74,752.20 is: 112,142.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,624.20 : 222,965.10 = 74,752.20 : x
  2. Step 2: Convert to fraction form
    148,624.20/222,965.10 = 74,752.20/x
  3. Step 3: Cross multiply
    148,624.20x = 222,965.10 × 74,752.20
  4. Step 4: Simplify right side
    148,624.20x = 16,667,131,748.22
  5. Step 5: Solve for x
    x = 16,667,131,748.22/148,624.20
  6. Step 6: Final answer
    x = 112,142.79

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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.