Home / 148,958.22-205,563.22-80,975.72

Finding the Fourth Proportional to 148,958.22, 205,563.22 and 80,975.72

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Solution

The fourth proportional to 148,958.22, 205,563.22 and 80,975.72 is: 111,746.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,958.22 : 205,563.22 = 80,975.72 : x
  2. Step 2: Convert to fraction form
    148,958.22/205,563.22 = 80,975.72/x
  3. Step 3: Cross multiply
    148,958.22x = 205,563.22 × 80,975.72
  4. Step 4: Simplify right side
    148,958.22x = 16,645,629,745.02
  5. Step 5: Solve for x
    x = 16,645,629,745.02/148,958.22
  6. Step 6: Final answer
    x = 111,746.97

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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.