Home / 422,108.14-582,509.46-231,121.48

Finding the Fourth Proportional to 422,108.14, 582,509.46 and 231,121.48

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Solution

The fourth proportional to 422,108.14, 582,509.46 and 231,121.48 is: 318,947.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,108.14 : 582,509.46 = 231,121.48 : x
  2. Step 2: Convert to fraction form
    422,108.14/582,509.46 = 231,121.48/x
  3. Step 3: Cross multiply
    422,108.14x = 582,509.46 × 231,121.48
  4. Step 4: Simplify right side
    422,108.14x = 134,630,448,509.20
  5. Step 5: Solve for x
    x = 134,630,448,509.20/422,108.14
  6. Step 6: Final answer
    x = 318,947.77

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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.