Home / 92,161.38-138,275.36-32,198.72

Finding the Fourth Proportional to 92,161.38, 138,275.36 and 32,198.72

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Solution

The fourth proportional to 92,161.38, 138,275.36 and 32,198.72 is: 48,309.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,161.38 : 138,275.36 = 32,198.72 : x
  2. Step 2: Convert to fraction form
    92,161.38/138,275.36 = 32,198.72/x
  3. Step 3: Cross multiply
    92,161.38x = 138,275.36 × 32,198.72
  4. Step 4: Simplify right side
    92,161.38x = 4,452,288,747.17
  5. Step 5: Solve for x
    x = 4,452,288,747.17/92,161.38
  6. Step 6: Final answer
    x = 48,309.70

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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.