Home / 220,975.29-331,241.00-71,105.45

Finding the Fourth Proportional to 220,975.29, 331,241.00 and 71,105.45

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Solution

The fourth proportional to 220,975.29, 331,241.00 and 71,105.45 is: 106,586.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,975.29 : 331,241.00 = 71,105.45 : x
  2. Step 2: Convert to fraction form
    220,975.29/331,241.00 = 71,105.45/x
  3. Step 3: Cross multiply
    220,975.29x = 331,241.00 × 71,105.45
  4. Step 4: Simplify right side
    220,975.29x = 23,553,038,351.72
  5. Step 5: Solve for x
    x = 23,553,038,351.72/220,975.29
  6. Step 6: Final answer
    x = 106,586.75

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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.