Home / 198,673.80-274,171.20-108,030.74

Finding the Fourth Proportional to 198,673.80, 274,171.20 and 108,030.74

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Solution

The fourth proportional to 198,673.80, 274,171.20 and 108,030.74 is: 149,083.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,673.80 : 274,171.20 = 108,030.74 : x
  2. Step 2: Convert to fraction form
    198,673.80/274,171.20 = 108,030.74/x
  3. Step 3: Cross multiply
    198,673.80x = 274,171.20 × 108,030.74
  4. Step 4: Simplify right side
    198,673.80x = 29,618,917,622.69
  5. Step 5: Solve for x
    x = 29,618,917,622.69/198,673.80
  6. Step 6: Final answer
    x = 149,083.16

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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.