Home / 198,646.49-274,137.53-108,008.54

Finding the Fourth Proportional to 198,646.49, 274,137.53 and 108,008.54

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Solution

The fourth proportional to 198,646.49, 274,137.53 and 108,008.54 is: 149,054.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,646.49 : 274,137.53 = 108,008.54 : x
  2. Step 2: Convert to fraction form
    198,646.49/274,137.53 = 108,008.54/x
  3. Step 3: Cross multiply
    198,646.49x = 274,137.53 × 108,008.54
  4. Step 4: Simplify right side
    198,646.49x = 29,609,192,463.78
  5. Step 5: Solve for x
    x = 29,609,192,463.78/198,646.49
  6. Step 6: Final answer
    x = 149,054.70

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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.