Home / 116,146.10-173,778.57-68,786.54

Finding the Fourth Proportional to 116,146.10, 173,778.57 and 68,786.54

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Solution

The fourth proportional to 116,146.10, 173,778.57 and 68,786.54 is: 102,918.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,146.10 : 173,778.57 = 68,786.54 : x
  2. Step 2: Convert to fraction form
    116,146.10/173,778.57 = 68,786.54/x
  3. Step 3: Cross multiply
    116,146.10x = 173,778.57 × 68,786.54
  4. Step 4: Simplify right side
    116,146.10x = 11,953,626,556.45
  5. Step 5: Solve for x
    x = 11,953,626,556.45/116,146.10
  6. Step 6: Final answer
    x = 102,918.88

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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.