Home / 148,286.66-204,635.68-80,304.16

Finding the Fourth Proportional to 148,286.66, 204,635.68 and 80,304.16

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Solution

The fourth proportional to 148,286.66, 204,635.68 and 80,304.16 is: 110,819.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,286.66 : 204,635.68 = 80,304.16 : x
  2. Step 2: Convert to fraction form
    148,286.66/204,635.68 = 80,304.16/x
  3. Step 3: Cross multiply
    148,286.66x = 204,635.68 × 80,304.16
  4. Step 4: Simplify right side
    148,286.66x = 16,433,096,388.43
  5. Step 5: Solve for x
    x = 16,433,096,388.43/148,286.66
  6. Step 6: Final answer
    x = 110,819.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.