Home / 331,371.88-457,306.14-188,145.26

Finding the Fourth Proportional to 331,371.88, 457,306.14 and 188,145.26

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Solution

The fourth proportional to 331,371.88, 457,306.14 and 188,145.26 is: 259,647.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,371.88 : 457,306.14 = 188,145.26 : x
  2. Step 2: Convert to fraction form
    331,371.88/457,306.14 = 188,145.26/x
  3. Step 3: Cross multiply
    331,371.88x = 457,306.14 × 188,145.26
  4. Step 4: Simplify right side
    331,371.88x = 86,039,982,609.90
  5. Step 5: Solve for x
    x = 86,039,982,609.90/331,371.88
  6. Step 6: Final answer
    x = 259,647.81

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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.