Home / 216,964.08-325,453.68-67,190.76

Finding the Fourth Proportional to 216,964.08, 325,453.68 and 67,190.76

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Solution

The fourth proportional to 216,964.08, 325,453.68 and 67,190.76 is: 100,788.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,964.08 : 325,453.68 = 67,190.76 : x
  2. Step 2: Convert to fraction form
    216,964.08/325,453.68 = 67,190.76/x
  3. Step 3: Cross multiply
    216,964.08x = 325,453.68 × 67,190.76
  4. Step 4: Simplify right side
    216,964.08x = 21,867,480,104.00
  5. Step 5: Solve for x
    x = 21,867,480,104.00/216,964.08
  6. Step 6: Final answer
    x = 100,788.48

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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.