Home / 214,463.09-321,696.97-64,704.72

Finding the Fourth Proportional to 214,463.09, 321,696.97 and 64,704.72

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Solution

The fourth proportional to 214,463.09, 321,696.97 and 64,704.72 is: 97,057.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,463.09 : 321,696.97 = 64,704.72 : x
  2. Step 2: Convert to fraction form
    214,463.09/321,696.97 = 64,704.72/x
  3. Step 3: Cross multiply
    214,463.09x = 321,696.97 × 64,704.72
  4. Step 4: Simplify right side
    214,463.09x = 20,815,313,413.30
  5. Step 5: Solve for x
    x = 20,815,313,413.30/214,463.09
  6. Step 6: Final answer
    x = 97,057.79

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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.