Home / 331,366.88-457,299.24-188,140.25

Finding the Fourth Proportional to 331,366.88, 457,299.24 and 188,140.25

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Solution

The fourth proportional to 331,366.88, 457,299.24 and 188,140.25 is: 259,640.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,366.88 : 457,299.24 = 188,140.25 : x
  2. Step 2: Convert to fraction form
    331,366.88/457,299.24 = 188,140.25/x
  3. Step 3: Cross multiply
    331,366.88x = 457,299.24 × 188,140.25
  4. Step 4: Simplify right side
    331,366.88x = 86,036,393,338.41
  5. Step 5: Solve for x
    x = 86,036,393,338.41/331,366.88
  6. Step 6: Final answer
    x = 259,640.90

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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.