Home / 198,727.36-274,243.56-113,844.76

Finding the Fourth Proportional to 198,727.36, 274,243.56 and 113,844.76

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Solution

The fourth proportional to 198,727.36, 274,243.56 and 113,844.76 is: 157,105.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,727.36 : 274,243.56 = 113,844.76 : x
  2. Step 2: Convert to fraction form
    198,727.36/274,243.56 = 113,844.76/x
  3. Step 3: Cross multiply
    198,727.36x = 274,243.56 × 113,844.76
  4. Step 4: Simplify right side
    198,727.36x = 31,221,192,269.75
  5. Step 5: Solve for x
    x = 31,221,192,269.75/198,727.36
  6. Step 6: Final answer
    x = 157,105.66

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1.5x scale

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.