Home / 122,272.88-168,766.56-74,552.52

Finding the Fourth Proportional to 122,272.88, 168,766.56 and 74,552.52

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Solution

The fourth proportional to 122,272.88, 168,766.56 and 74,552.52 is: 102,900.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,272.88 : 168,766.56 = 74,552.52 : x
  2. Step 2: Convert to fraction form
    122,272.88/168,766.56 = 74,552.52/x
  3. Step 3: Cross multiply
    122,272.88x = 168,766.56 × 74,552.52
  4. Step 4: Simplify right side
    122,272.88x = 12,581,972,339.73
  5. Step 5: Solve for x
    x = 12,581,972,339.73/122,272.88
  6. Step 6: Final answer
    x = 102,900.76

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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.