Home / 154,122.03-231,183.05-43,314.03

Finding the Fourth Proportional to 154,122.03, 231,183.05 and 43,314.03

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Solution

The fourth proportional to 154,122.03, 231,183.05 and 43,314.03 is: 64,971.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,122.03 : 231,183.05 = 43,314.03 : x
  2. Step 2: Convert to fraction form
    154,122.03/231,183.05 = 43,314.03/x
  3. Step 3: Cross multiply
    154,122.03x = 231,183.05 × 43,314.03
  4. Step 4: Simplify right side
    154,122.03x = 10,013,469,563.19
  5. Step 5: Solve for x
    x = 10,013,469,563.19/154,122.03
  6. Step 6: Final answer
    x = 64,971.05

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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.