Home / 141,901.14-195,819.90-77,371.58

Finding the Fourth Proportional to 141,901.14, 195,819.90 and 77,371.58

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Solution

The fourth proportional to 141,901.14, 195,819.90 and 77,371.58 is: 106,770.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,901.14 : 195,819.90 = 77,371.58 : x
  2. Step 2: Convert to fraction form
    141,901.14/195,819.90 = 77,371.58/x
  3. Step 3: Cross multiply
    141,901.14x = 195,819.90 × 77,371.58
  4. Step 4: Simplify right side
    141,901.14x = 15,150,895,058.44
  5. Step 5: Solve for x
    x = 15,150,895,058.44/141,901.14
  6. Step 6: Final answer
    x = 106,770.78

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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.