Home / 198,667.04-274,163.93-108,023.61

Finding the Fourth Proportional to 198,667.04, 274,163.93 and 108,023.61

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Solution

The fourth proportional to 198,667.04, 274,163.93 and 108,023.61 is: 149,074.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,667.04 : 274,163.93 = 108,023.61 : x
  2. Step 2: Convert to fraction form
    198,667.04/274,163.93 = 108,023.61/x
  3. Step 3: Cross multiply
    198,667.04x = 274,163.93 × 108,023.61
  4. Step 4: Simplify right side
    198,667.04x = 29,616,176,910.27
  5. Step 5: Solve for x
    x = 29,616,176,910.27/198,667.04
  6. Step 6: Final answer
    x = 149,074.44

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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.