Home / 274,331.33-378,520.51-188,258.91

Finding the Fourth Proportional to 274,331.33, 378,520.51 and 188,258.91

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Solution

The fourth proportional to 274,331.33, 378,520.51 and 188,258.91 is: 259,758.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,331.33 : 378,520.51 = 188,258.91 : x
  2. Step 2: Convert to fraction form
    274,331.33/378,520.51 = 188,258.91/x
  3. Step 3: Cross multiply
    274,331.33x = 378,520.51 × 188,258.91
  4. Step 4: Simplify right side
    274,331.33x = 71,259,855,791.35
  5. Step 5: Solve for x
    x = 71,259,855,791.35/274,331.33
  6. Step 6: Final answer
    x = 259,758.36

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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.