Home / 168,034.66-231,936.73-109,899.65

Finding the Fourth Proportional to 168,034.66, 231,936.73 and 109,899.65

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Solution

The fourth proportional to 168,034.66, 231,936.73 and 109,899.65 is: 151,693.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,034.66 : 231,936.73 = 109,899.65 : x
  2. Step 2: Convert to fraction form
    168,034.66/231,936.73 = 109,899.65/x
  3. Step 3: Cross multiply
    168,034.66x = 231,936.73 × 109,899.65
  4. Step 4: Simplify right side
    168,034.66x = 25,489,765,754.24
  5. Step 5: Solve for x
    x = 25,489,765,754.24/168,034.66
  6. Step 6: Final answer
    x = 151,693.50

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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.