Home / 199,177.80-274,860.18-108,535.56

Finding the Fourth Proportional to 199,177.80, 274,860.18 and 108,535.56

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Solution

The fourth proportional to 199,177.80, 274,860.18 and 108,535.56 is: 149,776.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,177.80 : 274,860.18 = 108,535.56 : x
  2. Step 2: Convert to fraction form
    199,177.80/274,860.18 = 108,535.56/x
  3. Step 3: Cross multiply
    199,177.80x = 274,860.18 × 108,535.56
  4. Step 4: Simplify right side
    199,177.80x = 29,832,103,558.00
  5. Step 5: Solve for x
    x = 29,832,103,558.00/199,177.80
  6. Step 6: Final answer
    x = 149,776.25

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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.