Home / 120,262.27-180,398.00-53,702.95

Finding the Fourth Proportional to 120,262.27, 180,398.00 and 53,702.95

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Solution

The fourth proportional to 120,262.27, 180,398.00 and 53,702.95 is: 80,556.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,262.27 : 180,398.00 = 53,702.95 : x
  2. Step 2: Convert to fraction form
    120,262.27/180,398.00 = 53,702.95/x
  3. Step 3: Cross multiply
    120,262.27x = 180,398.00 × 53,702.95
  4. Step 4: Simplify right side
    120,262.27x = 9,687,904,505.59
  5. Step 5: Solve for x
    x = 9,687,904,505.59/120,262.27
  6. Step 6: Final answer
    x = 80,556.47

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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.