Home / 220,835.24-331,283.84-108,519.87

Finding the Fourth Proportional to 220,835.24, 331,283.84 and 108,519.87

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Solution

The fourth proportional to 220,835.24, 331,283.84 and 108,519.87 is: 162,795.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,835.24 : 331,283.84 = 108,519.87 : x
  2. Step 2: Convert to fraction form
    220,835.24/331,283.84 = 108,519.87/x
  3. Step 3: Cross multiply
    220,835.24x = 331,283.84 × 108,519.87
  4. Step 4: Simplify right side
    220,835.24x = 35,950,878,707.30
  5. Step 5: Solve for x
    x = 35,950,878,707.30/220,835.24
  6. Step 6: Final answer
    x = 162,795.03

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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.