Home / 198,653.23-274,141.22-108,008.97

Finding the Fourth Proportional to 198,653.23, 274,141.22 and 108,008.97

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Solution

The fourth proportional to 198,653.23, 274,141.22 and 108,008.97 is: 149,052.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,653.23 : 274,141.22 = 108,008.97 : x
  2. Step 2: Convert to fraction form
    198,653.23/274,141.22 = 108,008.97/x
  3. Step 3: Cross multiply
    198,653.23x = 274,141.22 × 108,008.97
  4. Step 4: Simplify right side
    198,653.23x = 29,609,710,806.74
  5. Step 5: Solve for x
    x = 29,609,710,806.74/198,653.23
  6. Step 6: Final answer
    x = 149,052.25

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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.