Home / 185,648.48-256,195.11-100,765.52

Finding the Fourth Proportional to 185,648.48, 256,195.11 and 100,765.52

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Solution

The fourth proportional to 185,648.48, 256,195.11 and 100,765.52 is: 139,056.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,648.48 : 256,195.11 = 100,765.52 : x
  2. Step 2: Convert to fraction form
    185,648.48/256,195.11 = 100,765.52/x
  3. Step 3: Cross multiply
    185,648.48x = 256,195.11 × 100,765.52
  4. Step 4: Simplify right side
    185,648.48x = 25,815,633,480.61
  5. Step 5: Solve for x
    x = 25,815,633,480.61/185,648.48
  6. Step 6: Final answer
    x = 139,056.53

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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.