Home / 237,646.20-327,680.46-189,867

Finding the Fourth Proportional to 237,646.20, 327,680.46 and 189,867

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Solution

The fourth proportional to 237,646.20, 327,680.46 and 189,867 is: 261,799.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,646.20 : 327,680.46 = 189,867 : x
  2. Step 2: Convert to fraction form
    237,646.20/327,680.46 = 189,867/x
  3. Step 3: Cross multiply
    237,646.20x = 327,680.46 × 189,867
  4. Step 4: Simplify right side
    237,646.20x = 62,215,705,898.82
  5. Step 5: Solve for x
    x = 62,215,705,898.82/237,646.20
  6. Step 6: Final answer
    x = 261,799.71

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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.