Home / 168,839.82-253,077.48-109,717.92

Finding the Fourth Proportional to 168,839.82, 253,077.48 and 109,717.92

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Solution

The fourth proportional to 168,839.82, 253,077.48 and 109,717.92 is: 164,458.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,839.82 : 253,077.48 = 109,717.92 : x
  2. Step 2: Convert to fraction form
    168,839.82/253,077.48 = 109,717.92/x
  3. Step 3: Cross multiply
    168,839.82x = 253,077.48 × 109,717.92
  4. Step 4: Simplify right side
    168,839.82x = 27,767,134,704.44
  5. Step 5: Solve for x
    x = 27,767,134,704.44/168,839.82
  6. Step 6: Final answer
    x = 164,458.45

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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.