Home / 99,230.46-149,507.66-89,753.73

Finding the Fourth Proportional to 99,230.46, 149,507.66 and 89,753.73

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Solution

The fourth proportional to 99,230.46, 149,507.66 and 89,753.73 is: 135,229.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,230.46 : 149,507.66 = 89,753.73 : x
  2. Step 2: Convert to fraction form
    99,230.46/149,507.66 = 89,753.73/x
  3. Step 3: Cross multiply
    99,230.46x = 149,507.66 × 89,753.73
  4. Step 4: Simplify right side
    99,230.46x = 13,418,870,148.57
  5. Step 5: Solve for x
    x = 13,418,870,148.57/99,230.46
  6. Step 6: Final answer
    x = 135,229.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.