Home / 214,945.30-321,926.27-102,704.41

Finding the Fourth Proportional to 214,945.30, 321,926.27 and 102,704.41

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Solution

The fourth proportional to 214,945.30, 321,926.27 and 102,704.41 is: 153,821.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,945.30 : 321,926.27 = 102,704.41 : x
  2. Step 2: Convert to fraction form
    214,945.30/321,926.27 = 102,704.41/x
  3. Step 3: Cross multiply
    214,945.30x = 321,926.27 × 102,704.41
  4. Step 4: Simplify right side
    214,945.30x = 33,063,245,701.90
  5. Step 5: Solve for x
    x = 33,063,245,701.90/214,945.30
  6. Step 6: Final answer
    x = 153,821.68

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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.