Home / 154,151.25-231,226.97-43,343.25

Finding the Fourth Proportional to 154,151.25, 231,226.97 and 43,343.25

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Solution

The fourth proportional to 154,151.25, 231,226.97 and 43,343.25 is: 65,014.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,151.25 : 231,226.97 = 43,343.25 : x
  2. Step 2: Convert to fraction form
    154,151.25/231,226.97 = 43,343.25/x
  3. Step 3: Cross multiply
    154,151.25x = 231,226.97 × 43,343.25
  4. Step 4: Simplify right side
    154,151.25x = 10,022,128,150.74
  5. Step 5: Solve for x
    x = 10,022,128,150.74/154,151.25
  6. Step 6: Final answer
    x = 65,014.90

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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.