Home / 124,872.20-187,481.10-98,606.60

Finding the Fourth Proportional to 124,872.20, 187,481.10 and 98,606.60

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Solution

The fourth proportional to 124,872.20, 187,481.10 and 98,606.60 is: 148,046.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,872.20 : 187,481.10 = 98,606.60 : x
  2. Step 2: Convert to fraction form
    124,872.20/187,481.10 = 98,606.60/x
  3. Step 3: Cross multiply
    124,872.20x = 187,481.10 × 98,606.60
  4. Step 4: Simplify right side
    124,872.20x = 18,486,873,835.26
  5. Step 5: Solve for x
    x = 18,486,873,835.26/124,872.20
  6. Step 6: Final answer
    x = 148,046.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.