Home / 198,701.28-274,206.24-108,057.28

Finding the Fourth Proportional to 198,701.28, 274,206.24 and 108,057.28

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Solution

The fourth proportional to 198,701.28, 274,206.24 and 108,057.28 is: 149,118.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,701.28 : 274,206.24 = 108,057.28 : x
  2. Step 2: Convert to fraction form
    198,701.28/274,206.24 = 108,057.28/x
  3. Step 3: Cross multiply
    198,701.28x = 274,206.24 × 108,057.28
  4. Step 4: Simplify right side
    198,701.28x = 29,629,980,453.43
  5. Step 5: Solve for x
    x = 29,629,980,453.43/198,701.28
  6. Step 6: Final answer
    x = 149,118.22

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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.