Home / 198,715.14-274,228.88-108,073.17

Finding the Fourth Proportional to 198,715.14, 274,228.88 and 108,073.17

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Solution

The fourth proportional to 198,715.14, 274,228.88 and 108,073.17 is: 149,142.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,715.14 : 274,228.88 = 108,073.17 : x
  2. Step 2: Convert to fraction form
    198,715.14/274,228.88 = 108,073.17/x
  3. Step 3: Cross multiply
    198,715.14x = 274,228.88 × 108,073.17
  4. Step 4: Simplify right side
    198,715.14x = 29,636,783,826.78
  5. Step 5: Solve for x
    x = 29,636,783,826.78/198,715.14
  6. Step 6: Final answer
    x = 149,142.05

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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.