Home / 192,450.24-288,668.88-67,788

Finding the Fourth Proportional to 192,450.24, 288,668.88 and 67,788

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Solution

The fourth proportional to 192,450.24, 288,668.88 and 67,788 is: 101,679.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,450.24 : 288,668.88 = 67,788 : x
  2. Step 2: Convert to fraction form
    192,450.24/288,668.88 = 67,788/x
  3. Step 3: Cross multiply
    192,450.24x = 288,668.88 × 67,788
  4. Step 4: Simplify right side
    192,450.24x = 19,568,286,037.44
  5. Step 5: Solve for x
    x = 19,568,286,037.44/192,450.24
  6. Step 6: Final answer
    x = 101,679.72

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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.