Home / 192,996.44-289,516.00-66,622.36

Finding the Fourth Proportional to 192,996.44, 289,516.00 and 66,622.36

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Solution

The fourth proportional to 192,996.44, 289,516.00 and 66,622.36 is: 99,940.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,996.44 : 289,516.00 = 66,622.36 : x
  2. Step 2: Convert to fraction form
    192,996.44/289,516.00 = 66,622.36/x
  3. Step 3: Cross multiply
    192,996.44x = 289,516.00 × 66,622.36
  4. Step 4: Simplify right side
    192,996.44x = 19,288,238,537.25
  5. Step 5: Solve for x
    x = 19,288,238,537.25/192,996.44
  6. Step 6: Final answer
    x = 99,940.90

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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.