Home / 122,578.52-169,165.60-92,310.44

Finding the Fourth Proportional to 122,578.52, 169,165.60 and 92,310.44

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Solution

The fourth proportional to 122,578.52, 169,165.60 and 92,310.44 is: 127,393.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,578.52 : 169,165.60 = 92,310.44 : x
  2. Step 2: Convert to fraction form
    122,578.52/169,165.60 = 92,310.44/x
  3. Step 3: Cross multiply
    122,578.52x = 169,165.60 × 92,310.44
  4. Step 4: Simplify right side
    122,578.52x = 15,615,750,968.86
  5. Step 5: Solve for x
    x = 15,615,750,968.86/122,578.52
  6. Step 6: Final answer
    x = 127,393.86

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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.