Home / 99,192.15-149,470.11-82,046.07

Finding the Fourth Proportional to 99,192.15, 149,470.11 and 82,046.07

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Solution

The fourth proportional to 99,192.15, 149,470.11 and 82,046.07 is: 123,633.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,192.15 : 149,470.11 = 82,046.07 : x
  2. Step 2: Convert to fraction form
    99,192.15/149,470.11 = 82,046.07/x
  3. Step 3: Cross multiply
    99,192.15x = 149,470.11 × 82,046.07
  4. Step 4: Simplify right side
    99,192.15x = 12,263,435,107.97
  5. Step 5: Solve for x
    x = 12,263,435,107.97/99,192.15
  6. Step 6: Final answer
    x = 123,633.12

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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.