Home / 260,932.89-391,275.96-101,083.70

Finding the Fourth Proportional to 260,932.89, 391,275.96 and 101,083.70

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Solution

The fourth proportional to 260,932.89, 391,275.96 and 101,083.70 is: 151,577.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,932.89 : 391,275.96 = 101,083.70 : x
  2. Step 2: Convert to fraction form
    260,932.89/391,275.96 = 101,083.70/x
  3. Step 3: Cross multiply
    260,932.89x = 391,275.96 × 101,083.70
  4. Step 4: Simplify right side
    260,932.89x = 39,551,621,757.85
  5. Step 5: Solve for x
    x = 39,551,621,757.85/260,932.89
  6. Step 6: Final answer
    x = 151,577.76

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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.