Home / 132,815.72-199,195.13-38,020.44

Finding the Fourth Proportional to 132,815.72, 199,195.13 and 38,020.44

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Solution

The fourth proportional to 132,815.72, 199,195.13 and 38,020.44 is: 57,022.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,815.72 : 199,195.13 = 38,020.44 : x
  2. Step 2: Convert to fraction form
    132,815.72/199,195.13 = 38,020.44/x
  3. Step 3: Cross multiply
    132,815.72x = 199,195.13 × 38,020.44
  4. Step 4: Simplify right side
    132,815.72x = 7,573,486,488.46
  5. Step 5: Solve for x
    x = 7,573,486,488.46/132,815.72
  6. Step 6: Final answer
    x = 57,022.52

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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.