Home / 141,898.06-195,819.10-78,236.02

Finding the Fourth Proportional to 141,898.06, 195,819.10 and 78,236.02

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Solution

The fourth proportional to 141,898.06, 195,819.10 and 78,236.02 is: 107,965.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,898.06 : 195,819.10 = 78,236.02 : x
  2. Step 2: Convert to fraction form
    141,898.06/195,819.10 = 78,236.02/x
  3. Step 3: Cross multiply
    141,898.06x = 195,819.10 × 78,236.02
  4. Step 4: Simplify right side
    141,898.06x = 15,320,107,023.98
  5. Step 5: Solve for x
    x = 15,320,107,023.98/141,898.06
  6. Step 6: Final answer
    x = 107,965.58

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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.