Home / 168,020.16-231,867.84-92,568

Finding the Fourth Proportional to 168,020.16, 231,867.84 and 92,568

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Solution

The fourth proportional to 168,020.16, 231,867.84 and 92,568 is: 127,743.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,020.16 : 231,867.84 = 92,568 : x
  2. Step 2: Convert to fraction form
    168,020.16/231,867.84 = 92,568/x
  3. Step 3: Cross multiply
    168,020.16x = 231,867.84 × 92,568
  4. Step 4: Simplify right side
    168,020.16x = 21,463,542,213.12
  5. Step 5: Solve for x
    x = 21,463,542,213.12/168,020.16
  6. Step 6: Final answer
    x = 127,743.85

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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.