Home / 231,700.86-347,313.24-131,647.32

Finding the Fourth Proportional to 231,700.86, 347,313.24 and 131,647.32

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Solution

The fourth proportional to 231,700.86, 347,313.24 and 131,647.32 is: 197,335.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,700.86 : 347,313.24 = 131,647.32 : x
  2. Step 2: Convert to fraction form
    231,700.86/347,313.24 = 131,647.32/x
  3. Step 3: Cross multiply
    231,700.86x = 347,313.24 × 131,647.32
  4. Step 4: Simplify right side
    231,700.86x = 45,722,857,246.52
  5. Step 5: Solve for x
    x = 45,722,857,246.52/231,700.86
  6. Step 6: Final answer
    x = 197,335.73

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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.