Home / 168,104.36-231,880.37-102,662.49

Finding the Fourth Proportional to 168,104.36, 231,880.37 and 102,662.49

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Solution

The fourth proportional to 168,104.36, 231,880.37 and 102,662.49 is: 141,610.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,104.36 : 231,880.37 = 102,662.49 : x
  2. Step 2: Convert to fraction form
    168,104.36/231,880.37 = 102,662.49/x
  3. Step 3: Cross multiply
    168,104.36x = 231,880.37 × 102,662.49
  4. Step 4: Simplify right side
    168,104.36x = 23,805,415,795.71
  5. Step 5: Solve for x
    x = 23,805,415,795.71/168,104.36
  6. Step 6: Final answer
    x = 141,610.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.