Home / 148,546.96-204,994.22-80,563.66

Finding the Fourth Proportional to 148,546.96, 204,994.22 and 80,563.66

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Solution

The fourth proportional to 148,546.96, 204,994.22 and 80,563.66 is: 111,177.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,546.96 : 204,994.22 = 80,563.66 : x
  2. Step 2: Convert to fraction form
    148,546.96/204,994.22 = 80,563.66/x
  3. Step 3: Cross multiply
    148,546.96x = 204,994.22 × 80,563.66
  4. Step 4: Simplify right side
    148,546.96x = 16,515,085,106.42
  5. Step 5: Solve for x
    x = 16,515,085,106.42/148,546.96
  6. Step 6: Final answer
    x = 111,177.53

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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.