Home / 111,388.20-166,974.30-48,981.48

Finding the Fourth Proportional to 111,388.20, 166,974.30 and 48,981.48

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Solution

The fourth proportional to 111,388.20, 166,974.30 and 48,981.48 is: 73,424.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,388.20 : 166,974.30 = 48,981.48 : x
  2. Step 2: Convert to fraction form
    111,388.20/166,974.30 = 48,981.48/x
  3. Step 3: Cross multiply
    111,388.20x = 166,974.30 × 48,981.48
  4. Step 4: Simplify right side
    111,388.20x = 8,178,648,335.96
  5. Step 5: Solve for x
    x = 8,178,648,335.96/111,388.20
  6. Step 6: Final answer
    x = 73,424.73

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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.