Home / 165,044.39-247,608.50-76,361.54

Finding the Fourth Proportional to 165,044.39, 247,608.50 and 76,361.54

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Solution

The fourth proportional to 165,044.39, 247,608.50 and 76,361.54 is: 114,561.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,044.39 : 247,608.50 = 76,361.54 : x
  2. Step 2: Convert to fraction form
    165,044.39/247,608.50 = 76,361.54/x
  3. Step 3: Cross multiply
    165,044.39x = 247,608.50 × 76,361.54
  4. Step 4: Simplify right side
    165,044.39x = 18,907,764,757.24
  5. Step 5: Solve for x
    x = 18,907,764,757.24/165,044.39
  6. Step 6: Final answer
    x = 114,561.70

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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.