Home / 198,862.27-274,429.97-109,438.27

Finding the Fourth Proportional to 198,862.27, 274,429.97 and 109,438.27

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Solution

The fourth proportional to 198,862.27, 274,429.97 and 109,438.27 is: 151,024.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,862.27 : 274,429.97 = 109,438.27 : x
  2. Step 2: Convert to fraction form
    198,862.27/274,429.97 = 109,438.27/x
  3. Step 3: Cross multiply
    198,862.27x = 274,429.97 × 109,438.27
  4. Step 4: Simplify right side
    198,862.27x = 30,033,140,740.47
  5. Step 5: Solve for x
    x = 30,033,140,740.47/198,862.27
  6. Step 6: Final answer
    x = 151,024.83

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1.5x scale

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.