Home / 185,425.22-255,885.72-100,540.46

Finding the Fourth Proportional to 185,425.22, 255,885.72 and 100,540.46

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Solution

The fourth proportional to 185,425.22, 255,885.72 and 100,540.46 is: 138,745.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,425.22 : 255,885.72 = 100,540.46 : x
  2. Step 2: Convert to fraction form
    185,425.22/255,885.72 = 100,540.46/x
  3. Step 3: Cross multiply
    185,425.22x = 255,885.72 × 100,540.46
  4. Step 4: Simplify right side
    185,425.22x = 25,726,866,716.80
  5. Step 5: Solve for x
    x = 25,726,866,716.80/185,425.22
  6. Step 6: Final answer
    x = 138,745.24

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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.