Home / 216,863.26-325,213.98-74,668.36

Finding the Fourth Proportional to 216,863.26, 325,213.98 and 74,668.36

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Solution

The fourth proportional to 216,863.26, 325,213.98 and 74,668.36 is: 111,974.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,863.26 : 325,213.98 = 74,668.36 : x
  2. Step 2: Convert to fraction form
    216,863.26/325,213.98 = 74,668.36/x
  3. Step 3: Cross multiply
    216,863.26x = 325,213.98 × 74,668.36
  4. Step 4: Simplify right side
    216,863.26x = 24,283,194,535.67
  5. Step 5: Solve for x
    x = 24,283,194,535.67/216,863.26
  6. Step 6: Final answer
    x = 111,974.68

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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.