Home / 199,239.87-274,948.60-108,595.55

Finding the Fourth Proportional to 199,239.87, 274,948.60 and 108,595.55

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Solution

The fourth proportional to 199,239.87, 274,948.60 and 108,595.55 is: 149,860.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,239.87 : 274,948.60 = 108,595.55 : x
  2. Step 2: Convert to fraction form
    199,239.87/274,948.60 = 108,595.55/x
  3. Step 3: Cross multiply
    199,239.87x = 274,948.60 × 108,595.55
  4. Step 4: Simplify right side
    199,239.87x = 29,858,194,438.73
  5. Step 5: Solve for x
    x = 29,858,194,438.73/199,239.87
  6. Step 6: Final answer
    x = 149,860.54

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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.