Home / 198,555.04-274,004.94-107,909.56

Finding the Fourth Proportional to 198,555.04, 274,004.94 and 107,909.56

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Solution

The fourth proportional to 198,555.04, 274,004.94 and 107,909.56 is: 148,914.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,555.04 : 274,004.94 = 107,909.56 : x
  2. Step 2: Convert to fraction form
    198,555.04/274,004.94 = 107,909.56/x
  3. Step 3: Cross multiply
    198,555.04x = 274,004.94 × 107,909.56
  4. Step 4: Simplify right side
    198,555.04x = 29,567,752,513.23
  5. Step 5: Solve for x
    x = 29,567,752,513.23/198,555.04
  6. Step 6: Final answer
    x = 148,914.64

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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.