Home / 198,099.30-296,624.07-119,104.86

Finding the Fourth Proportional to 198,099.30, 296,624.07 and 119,104.86

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Solution

The fourth proportional to 198,099.30, 296,624.07 and 119,104.86 is: 178,341.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,099.30 : 296,624.07 = 119,104.86 : x
  2. Step 2: Convert to fraction form
    198,099.30/296,624.07 = 119,104.86/x
  3. Step 3: Cross multiply
    198,099.30x = 296,624.07 × 119,104.86
  4. Step 4: Simplify right side
    198,099.30x = 35,329,368,329.98
  5. Step 5: Solve for x
    x = 35,329,368,329.98/198,099.30
  6. Step 6: Final answer
    x = 178,341.71

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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.