Home / 220,964.48-331,400.32-71,218.24

Finding the Fourth Proportional to 220,964.48, 331,400.32 and 71,218.24

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Solution

The fourth proportional to 220,964.48, 331,400.32 and 71,218.24 is: 106,812.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,964.48 : 331,400.32 = 71,218.24 : x
  2. Step 2: Convert to fraction form
    220,964.48/331,400.32 = 71,218.24/x
  3. Step 3: Cross multiply
    220,964.48x = 331,400.32 × 71,218.24
  4. Step 4: Simplify right side
    220,964.48x = 23,601,747,525.84
  5. Step 5: Solve for x
    x = 23,601,747,525.84/220,964.48
  6. Step 6: Final answer
    x = 106,812.40

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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.