Home / 198,673.42-274,170.68-108,030.37

Finding the Fourth Proportional to 198,673.42, 274,170.68 and 108,030.37

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Solution

The fourth proportional to 198,673.42, 274,170.68 and 108,030.37 is: 149,082.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,673.42 : 274,170.68 = 108,030.37 : x
  2. Step 2: Convert to fraction form
    198,673.42/274,170.68 = 108,030.37/x
  3. Step 3: Cross multiply
    198,673.42x = 274,170.68 × 108,030.37
  4. Step 4: Simplify right side
    198,673.42x = 29,618,760,003.55
  5. Step 5: Solve for x
    x = 29,618,760,003.55/198,673.42
  6. Step 6: Final answer
    x = 149,082.65

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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.