Home / 124,924.20-187,167.60-102,616.80

Finding the Fourth Proportional to 124,924.20, 187,167.60 and 102,616.80

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Solution

The fourth proportional to 124,924.20, 187,167.60 and 102,616.80 is: 153,745.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,924.20 : 187,167.60 = 102,616.80 : x
  2. Step 2: Convert to fraction form
    124,924.20/187,167.60 = 102,616.80/x
  3. Step 3: Cross multiply
    124,924.20x = 187,167.60 × 102,616.80
  4. Step 4: Simplify right side
    124,924.20x = 19,206,540,175.68
  5. Step 5: Solve for x
    x = 19,206,540,175.68/124,924.20
  6. Step 6: Final answer
    x = 153,745.55

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1.5x scale

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.