Home / 99,660.30-149,490.45-95,723.70

Finding the Fourth Proportional to 99,660.30, 149,490.45 and 95,723.70

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Solution

The fourth proportional to 99,660.30, 149,490.45 and 95,723.70 is: 143,585.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,660.30 : 149,490.45 = 95,723.70 : x
  2. Step 2: Convert to fraction form
    99,660.30/149,490.45 = 95,723.70/x
  3. Step 3: Cross multiply
    99,660.30x = 149,490.45 × 95,723.70
  4. Step 4: Simplify right side
    99,660.30x = 14,309,778,988.67
  5. Step 5: Solve for x
    x = 14,309,778,988.67/99,660.30
  6. Step 6: Final answer
    x = 143,585.55

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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.