Home / 204,315.70-281,958.24-112,445.56

Finding the Fourth Proportional to 204,315.70, 281,958.24 and 112,445.56

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Solution

The fourth proportional to 204,315.70, 281,958.24 and 112,445.56 is: 155,176.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,315.70 : 281,958.24 = 112,445.56 : x
  2. Step 2: Convert to fraction form
    204,315.70/281,958.24 = 112,445.56/x
  3. Step 3: Cross multiply
    204,315.70x = 281,958.24 × 112,445.56
  4. Step 4: Simplify right side
    204,315.70x = 31,704,952,193.41
  5. Step 5: Solve for x
    x = 31,704,952,193.41/204,315.70
  6. Step 6: Final answer
    x = 155,176.29

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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.