Home / 144,310.56-199,157.41-80,653.44

Finding the Fourth Proportional to 144,310.56, 199,157.41 and 80,653.44

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Solution

The fourth proportional to 144,310.56, 199,157.41 and 80,653.44 is: 111,306.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,310.56 : 199,157.41 = 80,653.44 : x
  2. Step 2: Convert to fraction form
    144,310.56/199,157.41 = 80,653.44/x
  3. Step 3: Cross multiply
    144,310.56x = 199,157.41 × 80,653.44
  4. Step 4: Simplify right side
    144,310.56x = 16,062,729,020.57
  5. Step 5: Solve for x
    x = 16,062,729,020.57/144,310.56
  6. Step 6: Final answer
    x = 111,306.68

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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.