Home / 99,171.50-148,757.25-25,299.50

Finding the Fourth Proportional to 99,171.50, 148,757.25 and 25,299.50

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Solution

The fourth proportional to 99,171.50, 148,757.25 and 25,299.50 is: 37,949.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,171.50 : 148,757.25 = 25,299.50 : x
  2. Step 2: Convert to fraction form
    99,171.50/148,757.25 = 25,299.50/x
  3. Step 3: Cross multiply
    99,171.50x = 148,757.25 × 25,299.50
  4. Step 4: Simplify right side
    99,171.50x = 3,763,484,046.38
  5. Step 5: Solve for x
    x = 3,763,484,046.38/99,171.50
  6. Step 6: Final answer
    x = 37,949.25

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Double scale
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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.