Home / 199,238.87-274,947.22-108,594.55

Finding the Fourth Proportional to 199,238.87, 274,947.22 and 108,594.55

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Solution

The fourth proportional to 199,238.87, 274,947.22 and 108,594.55 is: 149,859.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,238.87 : 274,947.22 = 108,594.55 : x
  2. Step 2: Convert to fraction form
    199,238.87/274,947.22 = 108,594.55/x
  3. Step 3: Cross multiply
    199,238.87x = 274,947.22 × 108,594.55
  4. Step 4: Simplify right side
    199,238.87x = 29,857,768,670.80
  5. Step 5: Solve for x
    x = 29,857,768,670.80/199,238.87
  6. Step 6: Final answer
    x = 149,859.16

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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.