Home / 204,158.46-306,299.85-104,388.73

Finding the Fourth Proportional to 204,158.46, 306,299.85 and 104,388.73

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Solution

The fourth proportional to 204,158.46, 306,299.85 and 104,388.73 is: 156,614.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,158.46 : 306,299.85 = 104,388.73 : x
  2. Step 2: Convert to fraction form
    204,158.46/306,299.85 = 104,388.73/x
  3. Step 3: Cross multiply
    204,158.46x = 306,299.85 × 104,388.73
  4. Step 4: Simplify right side
    204,158.46x = 31,974,252,340.69
  5. Step 5: Solve for x
    x = 31,974,252,340.69/204,158.46
  6. Step 6: Final answer
    x = 156,614.88

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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.