Home / 344,140.20-515,958.66-231,540.48

Finding the Fourth Proportional to 344,140.20, 515,958.66 and 231,540.48

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Solution

The fourth proportional to 344,140.20, 515,958.66 and 231,540.48 is: 347,141.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,140.20 : 515,958.66 = 231,540.48 : x
  2. Step 2: Convert to fraction form
    344,140.20/515,958.66 = 231,540.48/x
  3. Step 3: Cross multiply
    344,140.20x = 515,958.66 × 231,540.48
  4. Step 4: Simplify right side
    344,140.20x = 119,465,315,796.56
  5. Step 5: Solve for x
    x = 119,465,315,796.56/344,140.20
  6. Step 6: Final answer
    x = 347,141.41

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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.