Home / 170,226.22-255,396.84-75,443.44

Finding the Fourth Proportional to 170,226.22, 255,396.84 and 75,443.44

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Solution

The fourth proportional to 170,226.22, 255,396.84 and 75,443.44 is: 113,190.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,226.22 : 255,396.84 = 75,443.44 : x
  2. Step 2: Convert to fraction form
    170,226.22/255,396.84 = 75,443.44/x
  3. Step 3: Cross multiply
    170,226.22x = 255,396.84 × 75,443.44
  4. Step 4: Simplify right side
    170,226.22x = 19,268,016,174.73
  5. Step 5: Solve for x
    x = 19,268,016,174.73/170,226.22
  6. Step 6: Final answer
    x = 113,190.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.