Home / 132,118.25-198,198.02-43,351.57

Finding the Fourth Proportional to 132,118.25, 198,198.02 and 43,351.57

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Solution

The fourth proportional to 132,118.25, 198,198.02 and 43,351.57 is: 65,034.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,118.25 : 198,198.02 = 43,351.57 : x
  2. Step 2: Convert to fraction form
    132,118.25/198,198.02 = 43,351.57/x
  3. Step 3: Cross multiply
    132,118.25x = 198,198.02 × 43,351.57
  4. Step 4: Simplify right side
    132,118.25x = 8,592,195,121.13
  5. Step 5: Solve for x
    x = 8,592,195,121.13/132,118.25
  6. Step 6: Final answer
    x = 65,034.13

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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.