Home / 125,498.26-188,198.19-45,517.18

Finding the Fourth Proportional to 125,498.26, 188,198.19 and 45,517.18

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Solution

The fourth proportional to 125,498.26, 188,198.19 and 45,517.18 is: 68,257.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,498.26 : 188,198.19 = 45,517.18 : x
  2. Step 2: Convert to fraction form
    125,498.26/188,198.19 = 45,517.18/x
  3. Step 3: Cross multiply
    125,498.26x = 188,198.19 × 45,517.18
  4. Step 4: Simplify right side
    125,498.26x = 8,566,250,889.90
  5. Step 5: Solve for x
    x = 8,566,250,889.90/125,498.26
  6. Step 6: Final answer
    x = 68,257.93

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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.