Home / 231,835.08-347,761.26-82,091.16

Finding the Fourth Proportional to 231,835.08, 347,761.26 and 82,091.16

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Solution

The fourth proportional to 231,835.08, 347,761.26 and 82,091.16 is: 123,139.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,835.08 : 347,761.26 = 82,091.16 : x
  2. Step 2: Convert to fraction form
    231,835.08/347,761.26 = 82,091.16/x
  3. Step 3: Cross multiply
    231,835.08x = 347,761.26 × 82,091.16
  4. Step 4: Simplify right side
    231,835.08x = 28,548,125,236.46
  5. Step 5: Solve for x
    x = 28,548,125,236.46/231,835.08
  6. Step 6: Final answer
    x = 123,139.80

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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.