Home / 185,704.20-256,272.24-100,819.44

Finding the Fourth Proportional to 185,704.20, 256,272.24 and 100,819.44

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Solution

The fourth proportional to 185,704.20, 256,272.24 and 100,819.44 is: 139,131.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,704.20 : 256,272.24 = 100,819.44 : x
  2. Step 2: Convert to fraction form
    185,704.20/256,272.24 = 100,819.44/x
  3. Step 3: Cross multiply
    185,704.20x = 256,272.24 × 100,819.44
  4. Step 4: Simplify right side
    185,704.20x = 25,837,223,724.35
  5. Step 5: Solve for x
    x = 25,837,223,724.35/185,704.20
  6. Step 6: Final answer
    x = 139,131.07

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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.