Home / 260,680.85-391,028.58-92,177.36

Finding the Fourth Proportional to 260,680.85, 391,028.58 and 92,177.36

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Solution

The fourth proportional to 260,680.85, 391,028.58 and 92,177.36 is: 138,268.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,680.85 : 391,028.58 = 92,177.36 : x
  2. Step 2: Convert to fraction form
    260,680.85/391,028.58 = 92,177.36/x
  3. Step 3: Cross multiply
    260,680.85x = 391,028.58 × 92,177.36
  4. Step 4: Simplify right side
    260,680.85x = 36,043,982,188.95
  5. Step 5: Solve for x
    x = 36,043,982,188.95/260,680.85
  6. Step 6: Final answer
    x = 138,268.62

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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.