Home / 220,832.26-331,178.67-71,039.15

Finding the Fourth Proportional to 220,832.26, 331,178.67 and 71,039.15

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Solution

The fourth proportional to 220,832.26, 331,178.67 and 71,039.15 is: 106,536.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,832.26 : 331,178.67 = 71,039.15 : x
  2. Step 2: Convert to fraction form
    220,832.26/331,178.67 = 71,039.15/x
  3. Step 3: Cross multiply
    220,832.26x = 331,178.67 × 71,039.15
  4. Step 4: Simplify right side
    220,832.26x = 23,526,651,776.48
  5. Step 5: Solve for x
    x = 23,526,651,776.48/220,832.26
  6. Step 6: Final answer
    x = 106,536.30

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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.