Home / 198,669.52-274,167.36-108,026.11

Finding the Fourth Proportional to 198,669.52, 274,167.36 and 108,026.11

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Solution

The fourth proportional to 198,669.52, 274,167.36 and 108,026.11 is: 149,077.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,669.52 : 274,167.36 = 108,026.11 : x
  2. Step 2: Convert to fraction form
    198,669.52/274,167.36 = 108,026.11/x
  3. Step 3: Cross multiply
    198,669.52x = 274,167.36 × 108,026.11
  4. Step 4: Simplify right side
    198,669.52x = 29,617,233,389.77
  5. Step 5: Solve for x
    x = 29,617,233,389.77/198,669.52
  6. Step 6: Final answer
    x = 149,077.89

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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.