Home / 154,410.27-231,634.10-54,550.03

Finding the Fourth Proportional to 154,410.27, 231,634.10 and 54,550.03

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Solution

The fourth proportional to 154,410.27, 231,634.10 and 54,550.03 is: 81,831.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,410.27 : 231,634.10 = 54,550.03 : x
  2. Step 2: Convert to fraction form
    154,410.27/231,634.10 = 54,550.03/x
  3. Step 3: Cross multiply
    154,410.27x = 231,634.10 × 54,550.03
  4. Step 4: Simplify right side
    154,410.27x = 12,635,646,865.37
  5. Step 5: Solve for x
    x = 12,635,646,865.37/154,410.27
  6. Step 6: Final answer
    x = 81,831.65

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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.