Home / 185,836.26-256,494.87-122,179.98

Finding the Fourth Proportional to 185,836.26, 256,494.87 and 122,179.98

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Solution

The fourth proportional to 185,836.26, 256,494.87 and 122,179.98 is: 168,635.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,836.26 : 256,494.87 = 122,179.98 : x
  2. Step 2: Convert to fraction form
    185,836.26/256,494.87 = 122,179.98/x
  3. Step 3: Cross multiply
    185,836.26x = 256,494.87 × 122,179.98
  4. Step 4: Simplify right side
    185,836.26x = 31,338,538,086.70
  5. Step 5: Solve for x
    x = 31,338,538,086.70/185,836.26
  6. Step 6: Final answer
    x = 168,635.22

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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.