Home / 206,968.39-285,640.05-115,096.84

Finding the Fourth Proportional to 206,968.39, 285,640.05 and 115,096.84

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Solution

The fourth proportional to 206,968.39, 285,640.05 and 115,096.84 is: 158,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,968.39 : 285,640.05 = 115,096.84 : x
  2. Step 2: Convert to fraction form
    206,968.39/285,640.05 = 115,096.84/x
  3. Step 3: Cross multiply
    206,968.39x = 285,640.05 × 115,096.84
  4. Step 4: Simplify right side
    206,968.39x = 32,876,267,132.44
  5. Step 5: Solve for x
    x = 32,876,267,132.44/206,968.39
  6. Step 6: Final answer
    x = 158,846.80

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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.