Home / 260,873.43-391,217.85-124,080.42

Finding the Fourth Proportional to 260,873.43, 391,217.85 and 124,080.42

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Solution

The fourth proportional to 260,873.43, 391,217.85 and 124,080.42 is: 186,076.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,873.43 : 391,217.85 = 124,080.42 : x
  2. Step 2: Convert to fraction form
    260,873.43/391,217.85 = 124,080.42/x
  3. Step 3: Cross multiply
    260,873.43x = 391,217.85 × 124,080.42
  4. Step 4: Simplify right side
    260,873.43x = 48,542,475,139.50
  5. Step 5: Solve for x
    x = 48,542,475,139.50/260,873.43
  6. Step 6: Final answer
    x = 186,076.73

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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.