Home / 195,174.43-269,328.20-109,140.50

Finding the Fourth Proportional to 195,174.43, 269,328.20 and 109,140.50

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Solution

The fourth proportional to 195,174.43, 269,328.20 and 109,140.50 is: 150,606.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,174.43 : 269,328.20 = 109,140.50 : x
  2. Step 2: Convert to fraction form
    195,174.43/269,328.20 = 109,140.50/x
  3. Step 3: Cross multiply
    195,174.43x = 269,328.20 × 109,140.50
  4. Step 4: Simplify right side
    195,174.43x = 29,394,614,412.10
  5. Step 5: Solve for x
    x = 29,394,614,412.10/195,174.43
  6. Step 6: Final answer
    x = 150,606.89

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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.