Home / 198,100.30-296,625.57-119,105.86

Finding the Fourth Proportional to 198,100.30, 296,625.57 and 119,105.86

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Solution

The fourth proportional to 198,100.30, 296,625.57 and 119,105.86 is: 178,343.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,100.30 : 296,625.57 = 119,105.86 : x
  2. Step 2: Convert to fraction form
    198,100.30/296,625.57 = 119,105.86/x
  3. Step 3: Cross multiply
    198,100.30x = 296,625.57 × 119,105.86
  4. Step 4: Simplify right side
    198,100.30x = 35,329,843,612.84
  5. Step 5: Solve for x
    x = 35,329,843,612.84/198,100.30
  6. Step 6: Final answer
    x = 178,343.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.