Home / 152,974.54-229,383.01-68,662.43

Finding the Fourth Proportional to 152,974.54, 229,383.01 and 68,662.43

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Solution

The fourth proportional to 152,974.54, 229,383.01 and 68,662.43 is: 102,958.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,974.54 : 229,383.01 = 68,662.43 : x
  2. Step 2: Convert to fraction form
    152,974.54/229,383.01 = 68,662.43/x
  3. Step 3: Cross multiply
    152,974.54x = 229,383.01 × 68,662.43
  4. Step 4: Simplify right side
    152,974.54x = 15,749,994,867.31
  5. Step 5: Solve for x
    x = 15,749,994,867.31/152,974.54
  6. Step 6: Final answer
    x = 102,958.28

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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.