Home / 208,514.76-287,781.11-132,040.85

Finding the Fourth Proportional to 208,514.76, 287,781.11 and 132,040.85

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Solution

The fourth proportional to 208,514.76, 287,781.11 and 132,040.85 is: 182,235.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,514.76 : 287,781.11 = 132,040.85 : x
  2. Step 2: Convert to fraction form
    208,514.76/287,781.11 = 132,040.85/x
  3. Step 3: Cross multiply
    208,514.76x = 287,781.11 × 132,040.85
  4. Step 4: Simplify right side
    208,514.76x = 37,998,860,279.23
  5. Step 5: Solve for x
    x = 37,998,860,279.23/208,514.76
  6. Step 6: Final answer
    x = 182,235.83

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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.