Home / 141,217.88-194,795.09-83,819.38

Finding the Fourth Proportional to 141,217.88, 194,795.09 and 83,819.38

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Solution

The fourth proportional to 141,217.88, 194,795.09 and 83,819.38 is: 115,619.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,217.88 : 194,795.09 = 83,819.38 : x
  2. Step 2: Convert to fraction form
    141,217.88/194,795.09 = 83,819.38/x
  3. Step 3: Cross multiply
    141,217.88x = 194,795.09 × 83,819.38
  4. Step 4: Simplify right side
    141,217.88x = 16,327,603,079.08
  5. Step 5: Solve for x
    x = 16,327,603,079.08/141,217.88
  6. Step 6: Final answer
    x = 115,619.95

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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.