Home / 409,132.22-613,733.15-124,886.61

Finding the Fourth Proportional to 409,132.22, 613,733.15 and 124,886.61

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Solution

The fourth proportional to 409,132.22, 613,733.15 and 124,886.61 is: 187,340.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,132.22 : 613,733.15 = 124,886.61 : x
  2. Step 2: Convert to fraction form
    409,132.22/613,733.15 = 124,886.61/x
  3. Step 3: Cross multiply
    409,132.22x = 613,733.15 × 124,886.61
  4. Step 4: Simplify right side
    409,132.22x = 76,647,052,860.34
  5. Step 5: Solve for x
    x = 76,647,052,860.34/409,132.22
  6. Step 6: Final answer
    x = 187,340.55

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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.