Home / 331,441.05-457,391.78-188,204.10

Finding the Fourth Proportional to 331,441.05, 457,391.78 and 188,204.10

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Solution

The fourth proportional to 331,441.05, 457,391.78 and 188,204.10 is: 259,723.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,441.05 : 457,391.78 = 188,204.10 : x
  2. Step 2: Convert to fraction form
    331,441.05/457,391.78 = 188,204.10/x
  3. Step 3: Cross multiply
    331,441.05x = 457,391.78 × 188,204.10
  4. Step 4: Simplify right side
    331,441.05x = 86,083,008,302.30
  5. Step 5: Solve for x
    x = 86,083,008,302.30/331,441.05
  6. Step 6: Final answer
    x = 259,723.44

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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.