Home / 168,512.11-252,846.30-73,729.79

Finding the Fourth Proportional to 168,512.11, 252,846.30 and 73,729.79

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Solution

The fourth proportional to 168,512.11, 252,846.30 and 73,729.79 is: 110,628.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,512.11 : 252,846.30 = 73,729.79 : x
  2. Step 2: Convert to fraction form
    168,512.11/252,846.30 = 73,729.79/x
  3. Step 3: Cross multiply
    168,512.11x = 252,846.30 × 73,729.79
  4. Step 4: Simplify right side
    168,512.11x = 18,642,304,601.28
  5. Step 5: Solve for x
    x = 18,642,304,601.28/168,512.11
  6. Step 6: Final answer
    x = 110,628.87

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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.