Home / 198,555.60-274,008.24-107,911.56

Finding the Fourth Proportional to 198,555.60, 274,008.24 and 107,911.56

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Solution

The fourth proportional to 198,555.60, 274,008.24 and 107,911.56 is: 148,918.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,555.60 : 274,008.24 = 107,911.56 : x
  2. Step 2: Convert to fraction form
    198,555.60/274,008.24 = 107,911.56/x
  3. Step 3: Cross multiply
    198,555.60x = 274,008.24 × 107,911.56
  4. Step 4: Simplify right side
    198,555.60x = 29,568,656,631.25
  5. Step 5: Solve for x
    x = 29,568,656,631.25/198,555.60
  6. Step 6: Final answer
    x = 148,918.77

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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.