Home / 154,229.24-231,475.08-109,964.36

Finding the Fourth Proportional to 154,229.24, 231,475.08 and 109,964.36

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Solution

The fourth proportional to 154,229.24, 231,475.08 and 109,964.36 is: 165,040.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,229.24 : 231,475.08 = 109,964.36 : x
  2. Step 2: Convert to fraction form
    154,229.24/231,475.08 = 109,964.36/x
  3. Step 3: Cross multiply
    154,229.24x = 231,475.08 × 109,964.36
  4. Step 4: Simplify right side
    154,229.24x = 25,454,009,028.15
  5. Step 5: Solve for x
    x = 25,454,009,028.15/154,229.24
  6. Step 6: Final answer
    x = 165,040.10

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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.