Home / 214,350.60-321,546.41-81,195.11

Finding the Fourth Proportional to 214,350.60, 321,546.41 and 81,195.11

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Solution

The fourth proportional to 214,350.60, 321,546.41 and 81,195.11 is: 121,800.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,350.60 : 321,546.41 = 81,195.11 : x
  2. Step 2: Convert to fraction form
    214,350.60/321,546.41 = 81,195.11/x
  3. Step 3: Cross multiply
    214,350.60x = 321,546.41 × 81,195.11
  4. Step 4: Simplify right side
    214,350.60x = 26,107,995,626.63
  5. Step 5: Solve for x
    x = 26,107,995,626.63/214,350.60
  6. Step 6: Final answer
    x = 121,800.43

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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.