Home / 198,650.13-274,137.23-109,226.13

Finding the Fourth Proportional to 198,650.13, 274,137.23 and 109,226.13

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Solution

The fourth proportional to 198,650.13, 274,137.23 and 109,226.13 is: 150,732.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,650.13 : 274,137.23 = 109,226.13 : x
  2. Step 2: Convert to fraction form
    198,650.13/274,137.23 = 109,226.13/x
  3. Step 3: Cross multiply
    198,650.13x = 274,137.23 × 109,226.13
  4. Step 4: Simplify right side
    198,650.13x = 29,942,948,721.82
  5. Step 5: Solve for x
    x = 29,942,948,721.82/198,650.13
  6. Step 6: Final answer
    x = 150,732.09

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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.