Home / 225,112.18-337,668.77-91,992.43

Finding the Fourth Proportional to 225,112.18, 337,668.77 and 91,992.43

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Solution

The fourth proportional to 225,112.18, 337,668.77 and 91,992.43 is: 137,988.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,112.18 : 337,668.77 = 91,992.43 : x
  2. Step 2: Convert to fraction form
    225,112.18/337,668.77 = 91,992.43/x
  3. Step 3: Cross multiply
    225,112.18x = 337,668.77 × 91,992.43
  4. Step 4: Simplify right side
    225,112.18x = 31,062,970,687.41
  5. Step 5: Solve for x
    x = 31,062,970,687.41/225,112.18
  6. Step 6: Final answer
    x = 137,988.85

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1.5x scale

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.