Home / 214,435.35-321,219.27-102,224.43

Finding the Fourth Proportional to 214,435.35, 321,219.27 and 102,224.43

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Solution

The fourth proportional to 214,435.35, 321,219.27 and 102,224.43 is: 153,129.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,435.35 : 321,219.27 = 102,224.43 : x
  2. Step 2: Convert to fraction form
    214,435.35/321,219.27 = 102,224.43/x
  3. Step 3: Cross multiply
    214,435.35x = 321,219.27 × 102,224.43
  4. Step 4: Simplify right side
    214,435.35x = 32,836,456,780.77
  5. Step 5: Solve for x
    x = 32,836,456,780.77/214,435.35
  6. Step 6: Final answer
    x = 153,129.87

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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.