Home / 186,771.27-257,743.17-106,198.80

Finding the Fourth Proportional to 186,771.27, 257,743.17 and 106,198.80

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Solution

The fourth proportional to 186,771.27, 257,743.17 and 106,198.80 is: 146,553.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,771.27 : 257,743.17 = 106,198.80 : x
  2. Step 2: Convert to fraction form
    186,771.27/257,743.17 = 106,198.80/x
  3. Step 3: Cross multiply
    186,771.27x = 257,743.17 × 106,198.80
  4. Step 4: Simplify right side
    186,771.27x = 27,372,014,395.66
  5. Step 5: Solve for x
    x = 27,372,014,395.66/186,771.27
  6. Step 6: Final answer
    x = 146,553.66

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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.