Home / 214,488.76-321,736.92-74,251.84

Finding the Fourth Proportional to 214,488.76, 321,736.92 and 74,251.84

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Solution

The fourth proportional to 214,488.76, 321,736.92 and 74,251.84 is: 111,379.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,488.76 : 321,736.92 = 74,251.84 : x
  2. Step 2: Convert to fraction form
    214,488.76/321,736.92 = 74,251.84/x
  3. Step 3: Cross multiply
    214,488.76x = 321,736.92 × 74,251.84
  4. Step 4: Simplify right side
    214,488.76x = 23,889,558,305.93
  5. Step 5: Solve for x
    x = 23,889,558,305.93/214,488.76
  6. Step 6: Final answer
    x = 111,379.07

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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.