Home / 141,170.82-194,819.70-77,511.30

Finding the Fourth Proportional to 141,170.82, 194,819.70 and 77,511.30

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Solution

The fourth proportional to 141,170.82, 194,819.70 and 77,511.30 is: 106,967.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,170.82 : 194,819.70 = 77,511.30 : x
  2. Step 2: Convert to fraction form
    141,170.82/194,819.70 = 77,511.30/x
  3. Step 3: Cross multiply
    141,170.82x = 194,819.70 × 77,511.30
  4. Step 4: Simplify right side
    141,170.82x = 15,100,728,212.61
  5. Step 5: Solve for x
    x = 15,100,728,212.61/141,170.82
  6. Step 6: Final answer
    x = 106,967.77

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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.