Home / 199,217.72-274,923.84-108,578.66

Finding the Fourth Proportional to 199,217.72, 274,923.84 and 108,578.66

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Solution

The fourth proportional to 199,217.72, 274,923.84 and 108,578.66 is: 149,840.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,217.72 : 274,923.84 = 108,578.66 : x
  2. Step 2: Convert to fraction form
    199,217.72/274,923.84 = 108,578.66/x
  3. Step 3: Cross multiply
    199,217.72x = 274,923.84 × 108,578.66
  4. Step 4: Simplify right side
    199,217.72x = 29,850,860,896.74
  5. Step 5: Solve for x
    x = 29,850,860,896.74/199,217.72
  6. Step 6: Final answer
    x = 149,840.39

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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.