Home / 198,940.19-274,534.62-108,296.90

Finding the Fourth Proportional to 198,940.19, 274,534.62 and 108,296.90

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Solution

The fourth proportional to 198,940.19, 274,534.62 and 108,296.90 is: 149,448.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,940.19 : 274,534.62 = 108,296.90 : x
  2. Step 2: Convert to fraction form
    198,940.19/274,534.62 = 108,296.90/x
  3. Step 3: Cross multiply
    198,940.19x = 274,534.62 × 108,296.90
  4. Step 4: Simplify right side
    198,940.19x = 29,731,246,916.00
  5. Step 5: Solve for x
    x = 29,731,246,916.00/198,940.19
  6. Step 6: Final answer
    x = 149,448.17

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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.