Home / 231,769.62-347,708.67-71,837.20

Finding the Fourth Proportional to 231,769.62, 347,708.67 and 71,837.20

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Solution

The fourth proportional to 231,769.62, 347,708.67 and 71,837.20 is: 107,772.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,769.62 : 347,708.67 = 71,837.20 : x
  2. Step 2: Convert to fraction form
    231,769.62/347,708.67 = 71,837.20/x
  3. Step 3: Cross multiply
    231,769.62x = 347,708.67 × 71,837.20
  4. Step 4: Simplify right side
    231,769.62x = 24,978,417,268.52
  5. Step 5: Solve for x
    x = 24,978,417,268.52/231,769.62
  6. Step 6: Final answer
    x = 107,772.61

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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.