Home / 216,933.23-325,406.78-67,174.82

Finding the Fourth Proportional to 216,933.23, 325,406.78 and 67,174.82

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Solution

The fourth proportional to 216,933.23, 325,406.78 and 67,174.82 is: 100,764.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,933.23 : 325,406.78 = 67,174.82 : x
  2. Step 2: Convert to fraction form
    216,933.23/325,406.78 = 67,174.82/x
  3. Step 3: Cross multiply
    216,933.23x = 325,406.78 × 67,174.82
  4. Step 4: Simplify right side
    216,933.23x = 21,859,141,193.62
  5. Step 5: Solve for x
    x = 21,859,141,193.62/216,933.23
  6. Step 6: Final answer
    x = 100,764.37

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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.