Home / 198,919.53-274,516.18-108,271.10

Finding the Fourth Proportional to 198,919.53, 274,516.18 and 108,271.10

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Solution

The fourth proportional to 198,919.53, 274,516.18 and 108,271.10 is: 149,418.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,919.53 : 274,516.18 = 108,271.10 : x
  2. Step 2: Convert to fraction form
    198,919.53/274,516.18 = 108,271.10/x
  3. Step 3: Cross multiply
    198,919.53x = 274,516.18 × 108,271.10
  4. Step 4: Simplify right side
    198,919.53x = 29,722,169,192.01
  5. Step 5: Solve for x
    x = 29,722,169,192.01/198,919.53
  6. Step 6: Final answer
    x = 149,418.05

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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.