Home / 198,849.16-274,416.90-108,210.04

Finding the Fourth Proportional to 198,849.16, 274,416.90 and 108,210.04

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Solution

The fourth proportional to 198,849.16, 274,416.90 and 108,210.04 is: 149,332.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,849.16 : 274,416.90 = 108,210.04 : x
  2. Step 2: Convert to fraction form
    198,849.16/274,416.90 = 108,210.04/x
  3. Step 3: Cross multiply
    198,849.16x = 274,416.90 × 108,210.04
  4. Step 4: Simplify right side
    198,849.16x = 29,694,663,725.68
  5. Step 5: Solve for x
    x = 29,694,663,725.68/198,849.16
  6. Step 6: Final answer
    x = 149,332.61

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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.