Home / 216,834.22-325,282.32-67,087.30

Finding the Fourth Proportional to 216,834.22, 325,282.32 and 67,087.30

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Solution

The fourth proportional to 216,834.22, 325,282.32 and 67,087.30 is: 100,640.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,834.22 : 325,282.32 = 67,087.30 : x
  2. Step 2: Convert to fraction form
    216,834.22/325,282.32 = 67,087.30/x
  3. Step 3: Cross multiply
    216,834.22x = 325,282.32 × 67,087.30
  4. Step 4: Simplify right side
    216,834.22x = 21,822,312,586.54
  5. Step 5: Solve for x
    x = 21,822,312,586.54/216,834.22
  6. Step 6: Final answer
    x = 100,640.54

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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.