Home / 119,906.57-165,472.23-66,190.43

Finding the Fourth Proportional to 119,906.57, 165,472.23 and 66,190.43

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Solution

The fourth proportional to 119,906.57, 165,472.23 and 66,190.43 is: 91,343.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,906.57 : 165,472.23 = 66,190.43 : x
  2. Step 2: Convert to fraction form
    119,906.57/165,472.23 = 66,190.43/x
  3. Step 3: Cross multiply
    119,906.57x = 165,472.23 × 66,190.43
  4. Step 4: Simplify right side
    119,906.57x = 10,952,678,056.76
  5. Step 5: Solve for x
    x = 10,952,678,056.76/119,906.57
  6. Step 6: Final answer
    x = 91,343.44

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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.