Home / 154,122.68-231,183.30-48,949.76

Finding the Fourth Proportional to 154,122.68, 231,183.30 and 48,949.76

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Solution

The fourth proportional to 154,122.68, 231,183.30 and 48,949.76 is: 73,424.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,122.68 : 231,183.30 = 48,949.76 : x
  2. Step 2: Convert to fraction form
    154,122.68/231,183.30 = 48,949.76/x
  3. Step 3: Cross multiply
    154,122.68x = 231,183.30 × 48,949.76
  4. Step 4: Simplify right side
    154,122.68x = 11,316,367,051.01
  5. Step 5: Solve for x
    x = 11,316,367,051.01/154,122.68
  6. Step 6: Final answer
    x = 73,424.41

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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.