Home / 216,786.57-324,884.40-104,458.60

Finding the Fourth Proportional to 216,786.57, 324,884.40 and 104,458.60

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Solution

The fourth proportional to 216,786.57, 324,884.40 and 104,458.60 is: 156,545.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,786.57 : 324,884.40 = 104,458.60 : x
  2. Step 2: Convert to fraction form
    216,786.57/324,884.40 = 104,458.60/x
  3. Step 3: Cross multiply
    216,786.57x = 324,884.40 × 104,458.60
  4. Step 4: Simplify right side
    216,786.57x = 33,936,969,585.84
  5. Step 5: Solve for x
    x = 33,936,969,585.84/216,786.57
  6. Step 6: Final answer
    x = 156,545.54

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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.