Home / 198,674.74-274,167.26-108,029.91

Finding the Fourth Proportional to 198,674.74, 274,167.26 and 108,029.91

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Solution

The fourth proportional to 198,674.74, 274,167.26 and 108,029.91 is: 149,079.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,674.74 : 274,167.26 = 108,029.91 : x
  2. Step 2: Convert to fraction form
    198,674.74/274,167.26 = 108,029.91/x
  3. Step 3: Cross multiply
    198,674.74x = 274,167.26 × 108,029.91
  4. Step 4: Simplify right side
    198,674.74x = 29,618,264,422.75
  5. Step 5: Solve for x
    x = 29,618,264,422.75/198,674.74
  6. Step 6: Final answer
    x = 149,079.17

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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.