Home / 125,966.20-188,878.17-47,048.30

Finding the Fourth Proportional to 125,966.20, 188,878.17 and 47,048.30

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Solution

The fourth proportional to 125,966.20, 188,878.17 and 47,048.30 is: 70,545.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,966.20 : 188,878.17 = 47,048.30 : x
  2. Step 2: Convert to fraction form
    125,966.20/188,878.17 = 47,048.30/x
  3. Step 3: Cross multiply
    125,966.20x = 188,878.17 × 47,048.30
  4. Step 4: Simplify right side
    125,966.20x = 8,886,396,805.61
  5. Step 5: Solve for x
    x = 8,886,396,805.61/125,966.20
  6. Step 6: Final answer
    x = 70,545.88

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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.