Home / 168,186.44-231,856.12-132,314.15

Finding the Fourth Proportional to 168,186.44, 231,856.12 and 132,314.15

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Solution

The fourth proportional to 168,186.44, 231,856.12 and 132,314.15 is: 182,403.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,186.44 : 231,856.12 = 132,314.15 : x
  2. Step 2: Convert to fraction form
    168,186.44/231,856.12 = 132,314.15/x
  3. Step 3: Cross multiply
    168,186.44x = 231,856.12 × 132,314.15
  4. Step 4: Simplify right side
    168,186.44x = 30,677,843,950.03
  5. Step 5: Solve for x
    x = 30,677,843,950.03/168,186.44
  6. Step 6: Final answer
    x = 182,403.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.