Home / 198,557.04-274,007.70-107,911.56

Finding the Fourth Proportional to 198,557.04, 274,007.70 and 107,911.56

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Solution

The fourth proportional to 198,557.04, 274,007.70 and 107,911.56 is: 148,917.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,557.04 : 274,007.70 = 107,911.56 : x
  2. Step 2: Convert to fraction form
    198,557.04/274,007.70 = 107,911.56/x
  3. Step 3: Cross multiply
    198,557.04x = 274,007.70 × 107,911.56
  4. Step 4: Simplify right side
    198,557.04x = 29,568,598,359.01
  5. Step 5: Solve for x
    x = 29,568,598,359.01/198,557.04
  6. Step 6: Final answer
    x = 148,917.40

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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.