Home / 148,546.53-204,995.25-80,563.86

Finding the Fourth Proportional to 148,546.53, 204,995.25 and 80,563.86

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Solution

The fourth proportional to 148,546.53, 204,995.25 and 80,563.86 is: 111,178.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,546.53 : 204,995.25 = 80,563.86 : x
  2. Step 2: Convert to fraction form
    148,546.53/204,995.25 = 80,563.86/x
  3. Step 3: Cross multiply
    148,546.53x = 204,995.25 × 80,563.86
  4. Step 4: Simplify right side
    148,546.53x = 16,515,208,621.67
  5. Step 5: Solve for x
    x = 16,515,208,621.67/148,546.53
  6. Step 6: Final answer
    x = 111,178.69

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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.