Home / 107,328.20-161,021.10-95,721.80

Finding the Fourth Proportional to 107,328.20, 161,021.10 and 95,721.80

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Solution

The fourth proportional to 107,328.20, 161,021.10 and 95,721.80 is: 143,608.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,328.20 : 161,021.10 = 95,721.80 : x
  2. Step 2: Convert to fraction form
    107,328.20/161,021.10 = 95,721.80/x
  3. Step 3: Cross multiply
    107,328.20x = 161,021.10 × 95,721.80
  4. Step 4: Simplify right side
    107,328.20x = 15,413,229,529.98
  5. Step 5: Solve for x
    x = 15,413,229,529.98/107,328.20
  6. Step 6: Final answer
    x = 143,608.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.