Home / 280,183.26-386,682.69-171,351.27

Finding the Fourth Proportional to 280,183.26, 386,682.69 and 171,351.27

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Solution

The fourth proportional to 280,183.26, 386,682.69 and 171,351.27 is: 236,482.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,183.26 : 386,682.69 = 171,351.27 : x
  2. Step 2: Convert to fraction form
    280,183.26/386,682.69 = 171,351.27/x
  3. Step 3: Cross multiply
    280,183.26x = 386,682.69 × 171,351.27
  4. Step 4: Simplify right side
    280,183.26x = 66,258,570,163.69
  5. Step 5: Solve for x
    x = 66,258,570,163.69/280,183.26
  6. Step 6: Final answer
    x = 236,482.97

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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.