Home / 168,104.35-252,195.95-66,908.52

Finding the Fourth Proportional to 168,104.35, 252,195.95 and 66,908.52

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Solution

The fourth proportional to 168,104.35, 252,195.95 and 66,908.52 is: 100,378.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,104.35 : 252,195.95 = 66,908.52 : x
  2. Step 2: Convert to fraction form
    168,104.35/252,195.95 = 66,908.52/x
  3. Step 3: Cross multiply
    168,104.35x = 252,195.95 × 66,908.52
  4. Step 4: Simplify right side
    168,104.35x = 16,874,058,060.44
  5. Step 5: Solve for x
    x = 16,874,058,060.44/168,104.35
  6. Step 6: Final answer
    x = 100,378.48

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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.