Home / 200,542.35-276,874.28-129,046.62

Finding the Fourth Proportional to 200,542.35, 276,874.28 and 129,046.62

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Solution

The fourth proportional to 200,542.35, 276,874.28 and 129,046.62 is: 178,165.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,542.35 : 276,874.28 = 129,046.62 : x
  2. Step 2: Convert to fraction form
    200,542.35/276,874.28 = 129,046.62/x
  3. Step 3: Cross multiply
    200,542.35x = 276,874.28 × 129,046.62
  4. Step 4: Simplify right side
    200,542.35x = 35,729,689,353.70
  5. Step 5: Solve for x
    x = 35,729,689,353.70/200,542.35
  6. Step 6: Final answer
    x = 178,165.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.