Home / 198,677.93-274,171.64-108,033.12

Finding the Fourth Proportional to 198,677.93, 274,171.64 and 108,033.12

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Solution

The fourth proportional to 198,677.93, 274,171.64 and 108,033.12 is: 149,083.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,677.93 : 274,171.64 = 108,033.12 : x
  2. Step 2: Convert to fraction form
    198,677.93/274,171.64 = 108,033.12/x
  3. Step 3: Cross multiply
    198,677.93x = 274,171.64 × 108,033.12
  4. Step 4: Simplify right side
    198,677.93x = 29,619,617,144.55
  5. Step 5: Solve for x
    x = 29,619,617,144.55/198,677.93
  6. Step 6: Final answer
    x = 149,083.58

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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.