Home / 168,786.68-253,304.45-80,040.44

Finding the Fourth Proportional to 168,786.68, 253,304.45 and 80,040.44

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Solution

The fourth proportional to 168,786.68, 253,304.45 and 80,040.44 is: 120,119.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,786.68 : 253,304.45 = 80,040.44 : x
  2. Step 2: Convert to fraction form
    168,786.68/253,304.45 = 80,040.44/x
  3. Step 3: Cross multiply
    168,786.68x = 253,304.45 × 80,040.44
  4. Step 4: Simplify right side
    168,786.68x = 20,274,597,965.23
  5. Step 5: Solve for x
    x = 20,274,597,965.23/168,786.68
  6. Step 6: Final answer
    x = 120,119.66

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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.