Home / 198,712.60-274,217.52-112,679.44

Finding the Fourth Proportional to 198,712.60, 274,217.52 and 112,679.44

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Solution

The fourth proportional to 198,712.60, 274,217.52 and 112,679.44 is: 155,494.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,712.60 : 274,217.52 = 112,679.44 : x
  2. Step 2: Convert to fraction form
    198,712.60/274,217.52 = 112,679.44/x
  3. Step 3: Cross multiply
    198,712.60x = 274,217.52 × 112,679.44
  4. Step 4: Simplify right side
    198,712.60x = 30,898,675,220.70
  5. Step 5: Solve for x
    x = 30,898,675,220.70/198,712.60
  6. Step 6: Final answer
    x = 155,494.29

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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.