Home / 154,610.91-231,949.44-47,992.64

Finding the Fourth Proportional to 154,610.91, 231,949.44 and 47,992.64

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Solution

The fourth proportional to 154,610.91, 231,949.44 and 47,992.64 is: 71,999.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,610.91 : 231,949.44 = 47,992.64 : x
  2. Step 2: Convert to fraction form
    154,610.91/231,949.44 = 47,992.64/x
  3. Step 3: Cross multiply
    154,610.91x = 231,949.44 × 47,992.64
  4. Step 4: Simplify right side
    154,610.91x = 11,131,864,812.37
  5. Step 5: Solve for x
    x = 11,131,864,812.37/154,610.91
  6. Step 6: Final answer
    x = 71,999.22

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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.