Home / 129,905.19-194,863.25-41,156.73

Finding the Fourth Proportional to 129,905.19, 194,863.25 and 41,156.73

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Solution

The fourth proportional to 129,905.19, 194,863.25 and 41,156.73 is: 61,736.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,905.19 : 194,863.25 = 41,156.73 : x
  2. Step 2: Convert to fraction form
    129,905.19/194,863.25 = 41,156.73/x
  3. Step 3: Cross multiply
    129,905.19x = 194,863.25 × 41,156.73
  4. Step 4: Simplify right side
    129,905.19x = 8,019,933,961.39
  5. Step 5: Solve for x
    x = 8,019,933,961.39/129,905.19
  6. Step 6: Final answer
    x = 61,736.82

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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.