Home / 192,890.43-266,190.71-106,851.96

Finding the Fourth Proportional to 192,890.43, 266,190.71 and 106,851.96

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Solution

The fourth proportional to 192,890.43, 266,190.71 and 106,851.96 is: 147,456.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,890.43 : 266,190.71 = 106,851.96 : x
  2. Step 2: Convert to fraction form
    192,890.43/266,190.71 = 106,851.96/x
  3. Step 3: Cross multiply
    192,890.43x = 266,190.71 × 106,851.96
  4. Step 4: Simplify right side
    192,890.43x = 28,442,998,563.03
  5. Step 5: Solve for x
    x = 28,442,998,563.03/192,890.43
  6. Step 6: Final answer
    x = 147,456.76

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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.