Home / 214,601.82-321,960.14-74,360.45

Finding the Fourth Proportional to 214,601.82, 321,960.14 and 74,360.45

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Solution

The fourth proportional to 214,601.82, 321,960.14 and 74,360.45 is: 111,560.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,601.82 : 321,960.14 = 74,360.45 : x
  2. Step 2: Convert to fraction form
    214,601.82/321,960.14 = 74,360.45/x
  3. Step 3: Cross multiply
    214,601.82x = 321,960.14 × 74,360.45
  4. Step 4: Simplify right side
    214,601.82x = 23,941,098,910.86
  5. Step 5: Solve for x
    x = 23,941,098,910.86/214,601.82
  6. Step 6: Final answer
    x = 111,560.56

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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.