Home / 422,173.45-582,581.86-231,183.55

Finding the Fourth Proportional to 422,173.45, 582,581.86 and 231,183.55

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Solution

The fourth proportional to 422,173.45, 582,581.86 and 231,183.55 is: 319,023.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,173.45 : 582,581.86 = 231,183.55 : x
  2. Step 2: Convert to fraction form
    422,173.45/582,581.86 = 231,183.55/x
  3. Step 3: Cross multiply
    422,173.45x = 582,581.86 × 231,183.55
  4. Step 4: Simplify right side
    422,173.45x = 134,683,342,560.40
  5. Step 5: Solve for x
    x = 134,683,342,560.40/422,173.45
  6. Step 6: Final answer
    x = 319,023.72

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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.