Home / 198,674.18-274,166.46-108,029.37

Finding the Fourth Proportional to 198,674.18, 274,166.46 and 108,029.37

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Solution

The fourth proportional to 198,674.18, 274,166.46 and 108,029.37 is: 149,078.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,674.18 : 274,166.46 = 108,029.37 : x
  2. Step 2: Convert to fraction form
    198,674.18/274,166.46 = 108,029.37/x
  3. Step 3: Cross multiply
    198,674.18x = 274,166.46 × 108,029.37
  4. Step 4: Simplify right side
    198,674.18x = 29,618,029,948.93
  5. Step 5: Solve for x
    x = 29,618,029,948.93/198,674.18
  6. Step 6: Final answer
    x = 149,078.41

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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.