Home / 199,223.36-274,924.66-108,578.80

Finding the Fourth Proportional to 199,223.36, 274,924.66 and 108,578.80

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Solution

The fourth proportional to 199,223.36, 274,924.66 and 108,578.80 is: 149,836.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,223.36 : 274,924.66 = 108,578.80 : x
  2. Step 2: Convert to fraction form
    199,223.36/274,924.66 = 108,578.80/x
  3. Step 3: Cross multiply
    199,223.36x = 274,924.66 × 108,578.80
  4. Step 4: Simplify right side
    199,223.36x = 29,850,989,673.21
  5. Step 5: Solve for x
    x = 29,850,989,673.21/199,223.36
  6. Step 6: Final answer
    x = 149,836.79

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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.