Home / 331,453.24-457,418.64-188,226.64

Finding the Fourth Proportional to 331,453.24, 457,418.64 and 188,226.64

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Solution

The fourth proportional to 331,453.24, 457,418.64 and 188,226.64 is: 259,760.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,453.24 : 457,418.64 = 188,226.64 : x
  2. Step 2: Convert to fraction form
    331,453.24/457,418.64 = 188,226.64/x
  3. Step 3: Cross multiply
    331,453.24x = 457,418.64 × 188,226.64
  4. Step 4: Simplify right side
    331,453.24x = 86,098,373,680.57
  5. Step 5: Solve for x
    x = 86,098,373,680.57/331,453.24
  6. Step 6: Final answer
    x = 259,760.24

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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.