Home / 136,524.05-188,399.97-79,173.62

Finding the Fourth Proportional to 136,524.05, 188,399.97 and 79,173.62

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Solution

The fourth proportional to 136,524.05, 188,399.97 and 79,173.62 is: 109,257.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,524.05 : 188,399.97 = 79,173.62 : x
  2. Step 2: Convert to fraction form
    136,524.05/188,399.97 = 79,173.62/x
  3. Step 3: Cross multiply
    136,524.05x = 188,399.97 × 79,173.62
  4. Step 4: Simplify right side
    136,524.05x = 14,916,306,789.76
  5. Step 5: Solve for x
    x = 14,916,306,789.76/136,524.05
  6. Step 6: Final answer
    x = 109,257.73

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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.