Home / 193,286.92-266,736.90-108,408.52

Finding the Fourth Proportional to 193,286.92, 266,736.90 and 108,408.52

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Solution

The fourth proportional to 193,286.92, 266,736.90 and 108,408.52 is: 149,604.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,286.92 : 266,736.90 = 108,408.52 : x
  2. Step 2: Convert to fraction form
    193,286.92/266,736.90 = 108,408.52/x
  3. Step 3: Cross multiply
    193,286.92x = 266,736.90 × 108,408.52
  4. Step 4: Simplify right side
    193,286.92x = 28,916,552,558.39
  5. Step 5: Solve for x
    x = 28,916,552,558.39/193,286.92
  6. Step 6: Final answer
    x = 149,604.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.