Home / 260,757.12-391,300.24-110,997.18

Finding the Fourth Proportional to 260,757.12, 391,300.24 and 110,997.18

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Solution

The fourth proportional to 260,757.12, 391,300.24 and 110,997.18 is: 166,565.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,757.12 : 391,300.24 = 110,997.18 : x
  2. Step 2: Convert to fraction form
    260,757.12/391,300.24 = 110,997.18/x
  3. Step 3: Cross multiply
    260,757.12x = 391,300.24 × 110,997.18
  4. Step 4: Simplify right side
    260,757.12x = 43,433,223,173.32
  5. Step 5: Solve for x
    x = 43,433,223,173.32/260,757.12
  6. Step 6: Final answer
    x = 166,565.82

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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.