Home / 204,160.30-281,739.74-113,515.56

Finding the Fourth Proportional to 204,160.30, 281,739.74 and 113,515.56

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Solution

The fourth proportional to 204,160.30, 281,739.74 and 113,515.56 is: 156,650.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,160.30 : 281,739.74 = 113,515.56 : x
  2. Step 2: Convert to fraction form
    204,160.30/281,739.74 = 113,515.56/x
  3. Step 3: Cross multiply
    204,160.30x = 281,739.74 × 113,515.56
  4. Step 4: Simplify right side
    204,160.30x = 31,981,843,792.78
  5. Step 5: Solve for x
    x = 31,981,843,792.78/204,160.30
  6. Step 6: Final answer
    x = 156,650.65

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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.