Home / 132,704.97-199,121.19-82,772.25

Finding the Fourth Proportional to 132,704.97, 199,121.19 and 82,772.25

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Solution

The fourth proportional to 132,704.97, 199,121.19 and 82,772.25 is: 124,198.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,704.97 : 199,121.19 = 82,772.25 : x
  2. Step 2: Convert to fraction form
    132,704.97/199,121.19 = 82,772.25/x
  3. Step 3: Cross multiply
    132,704.97x = 199,121.19 × 82,772.25
  4. Step 4: Simplify right side
    132,704.97x = 16,481,708,918.98
  5. Step 5: Solve for x
    x = 16,481,708,918.98/132,704.97
  6. Step 6: Final answer
    x = 124,198.13

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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.