Home / 122,436.46-183,691.60-43,540.44

Finding the Fourth Proportional to 122,436.46, 183,691.60 and 43,540.44

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Solution

The fourth proportional to 122,436.46, 183,691.60 and 43,540.44 is: 65,323.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,436.46 : 183,691.60 = 43,540.44 : x
  2. Step 2: Convert to fraction form
    122,436.46/183,691.60 = 43,540.44/x
  3. Step 3: Cross multiply
    122,436.46x = 183,691.60 × 43,540.44
  4. Step 4: Simplify right side
    122,436.46x = 7,998,012,290.61
  5. Step 5: Solve for x
    x = 7,998,012,290.61/122,436.46
  6. Step 6: Final answer
    x = 65,323.78

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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.