Home / 344,470.60-516,560.10-107,749.72

Finding the Fourth Proportional to 344,470.60, 516,560.10 and 107,749.72

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Solution

The fourth proportional to 344,470.60, 516,560.10 and 107,749.72 is: 161,578.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,470.60 : 516,560.10 = 107,749.72 : x
  2. Step 2: Convert to fraction form
    344,470.60/516,560.10 = 107,749.72/x
  3. Step 3: Cross multiply
    344,470.60x = 516,560.10 × 107,749.72
  4. Step 4: Simplify right side
    344,470.60x = 55,659,206,138.17
  5. Step 5: Solve for x
    x = 55,659,206,138.17/344,470.60
  6. Step 6: Final answer
    x = 161,578.97

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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.