Home / 216,769.77-325,185.82-67,021.74

Finding the Fourth Proportional to 216,769.77, 325,185.82 and 67,021.74

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Solution

The fourth proportional to 216,769.77, 325,185.82 and 67,021.74 is: 100,542.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,769.77 : 325,185.82 = 67,021.74 : x
  2. Step 2: Convert to fraction form
    216,769.77/325,185.82 = 67,021.74/x
  3. Step 3: Cross multiply
    216,769.77x = 325,185.82 × 67,021.74
  4. Step 4: Simplify right side
    216,769.77x = 21,794,519,479.73
  5. Step 5: Solve for x
    x = 21,794,519,479.73/216,769.77
  6. Step 6: Final answer
    x = 100,542.25

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1.5x scale

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.