Home / 168,022.50-231,871.05-92,575.86

Finding the Fourth Proportional to 168,022.50, 231,871.05 and 92,575.86

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Solution

The fourth proportional to 168,022.50, 231,871.05 and 92,575.86 is: 127,754.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,022.50 : 231,871.05 = 92,575.86 : x
  2. Step 2: Convert to fraction form
    168,022.50/231,871.05 = 92,575.86/x
  3. Step 3: Cross multiply
    168,022.50x = 231,871.05 × 92,575.86
  4. Step 4: Simplify right side
    168,022.50x = 21,465,661,862.85
  5. Step 5: Solve for x
    x = 21,465,661,862.85/168,022.50
  6. Step 6: Final answer
    x = 127,754.69

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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.