Home / 214,540.38-321,914.25-88,273.80

Finding the Fourth Proportional to 214,540.38, 321,914.25 and 88,273.80

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Solution

The fourth proportional to 214,540.38, 321,914.25 and 88,273.80 is: 132,453.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,540.38 : 321,914.25 = 88,273.80 : x
  2. Step 2: Convert to fraction form
    214,540.38/321,914.25 = 88,273.80/x
  3. Step 3: Cross multiply
    214,540.38x = 321,914.25 × 88,273.80
  4. Step 4: Simplify right side
    214,540.38x = 28,416,594,121.65
  5. Step 5: Solve for x
    x = 28,416,594,121.65/214,540.38
  6. Step 6: Final answer
    x = 132,453.36

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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.