Home / 198,665.53-274,161.85-108,022.10

Finding the Fourth Proportional to 198,665.53, 274,161.85 and 108,022.10

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Solution

The fourth proportional to 198,665.53, 274,161.85 and 108,022.10 is: 149,072.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,665.53 : 274,161.85 = 108,022.10 : x
  2. Step 2: Convert to fraction form
    198,665.53/274,161.85 = 108,022.10/x
  3. Step 3: Cross multiply
    198,665.53x = 274,161.85 × 108,022.10
  4. Step 4: Simplify right side
    198,665.53x = 29,615,539,192.23
  5. Step 5: Solve for x
    x = 29,615,539,192.23/198,665.53
  6. Step 6: Final answer
    x = 149,072.36

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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.