Home / 198,630.84-274,103.34-109,204.92

Finding the Fourth Proportional to 198,630.84, 274,103.34 and 109,204.92

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Solution

The fourth proportional to 198,630.84, 274,103.34 and 109,204.92 is: 150,698.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,630.84 : 274,103.34 = 109,204.92 : x
  2. Step 2: Convert to fraction form
    198,630.84/274,103.34 = 109,204.92/x
  3. Step 3: Cross multiply
    198,630.84x = 274,103.34 × 109,204.92
  4. Step 4: Simplify right side
    198,630.84x = 29,933,433,316.43
  5. Step 5: Solve for x
    x = 29,933,433,316.43/198,630.84
  6. Step 6: Final answer
    x = 150,698.82

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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.