Home / 214,418.59-321,221.92-143,126.27

Finding the Fourth Proportional to 214,418.59, 321,221.92 and 143,126.27

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Solution

The fourth proportional to 214,418.59, 321,221.92 and 143,126.27 is: 214,418.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,418.59 : 321,221.92 = 143,126.27 : x
  2. Step 2: Convert to fraction form
    214,418.59/321,221.92 = 143,126.27/x
  3. Step 3: Cross multiply
    214,418.59x = 321,221.92 × 143,126.27
  4. Step 4: Simplify right side
    214,418.59x = 45,975,293,645.73
  5. Step 5: Solve for x
    x = 45,975,293,645.73/214,418.59
  6. Step 6: Final answer
    x = 214,418.41

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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.