Home / 231,945.88-347,896.86-74,131.96

Finding the Fourth Proportional to 231,945.88, 347,896.86 and 74,131.96

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Solution

The fourth proportional to 231,945.88, 347,896.86 and 74,131.96 is: 111,190.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,945.88 : 347,896.86 = 74,131.96 : x
  2. Step 2: Convert to fraction form
    231,945.88/347,896.86 = 74,131.96/x
  3. Step 3: Cross multiply
    231,945.88x = 347,896.86 × 74,131.96
  4. Step 4: Simplify right side
    231,945.88x = 25,790,276,109.65
  5. Step 5: Solve for x
    x = 25,790,276,109.65/231,945.88
  6. Step 6: Final answer
    x = 111,190.92

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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.