Home / 263,475.75-395,224.56-76,487.25

Finding the Fourth Proportional to 263,475.75, 395,224.56 and 76,487.25

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Solution

The fourth proportional to 263,475.75, 395,224.56 and 76,487.25 is: 114,734.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,475.75 : 395,224.56 = 76,487.25 : x
  2. Step 2: Convert to fraction form
    263,475.75/395,224.56 = 76,487.25/x
  3. Step 3: Cross multiply
    263,475.75x = 395,224.56 × 76,487.25
  4. Step 4: Simplify right side
    263,475.75x = 30,229,639,726.86
  5. Step 5: Solve for x
    x = 30,229,639,726.86/263,475.75
  6. Step 6: Final answer
    x = 114,734.05

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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.