Home / 141,230.06-194,903.61-80,819.66

Finding the Fourth Proportional to 141,230.06, 194,903.61 and 80,819.66

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Solution

The fourth proportional to 141,230.06, 194,903.61 and 80,819.66 is: 111,534.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,230.06 : 194,903.61 = 80,819.66 : x
  2. Step 2: Convert to fraction form
    141,230.06/194,903.61 = 80,819.66/x
  3. Step 3: Cross multiply
    141,230.06x = 194,903.61 × 80,819.66
  4. Step 4: Simplify right side
    141,230.06x = 15,752,043,492.97
  5. Step 5: Solve for x
    x = 15,752,043,492.97/141,230.06
  6. Step 6: Final answer
    x = 111,534.64

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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.