Home / 198,946.04-274,542.66-108,302.72

Finding the Fourth Proportional to 198,946.04, 274,542.66 and 108,302.72

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Solution

The fourth proportional to 198,946.04, 274,542.66 and 108,302.72 is: 149,456.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,946.04 : 274,542.66 = 108,302.72 : x
  2. Step 2: Convert to fraction form
    198,946.04/274,542.66 = 108,302.72/x
  3. Step 3: Cross multiply
    198,946.04x = 274,542.66 × 108,302.72
  4. Step 4: Simplify right side
    198,946.04x = 29,733,715,461.32
  5. Step 5: Solve for x
    x = 29,733,715,461.32/198,946.04
  6. Step 6: Final answer
    x = 149,456.19

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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.