Home / 154,409.68-231,163.80-95,067.28

Finding the Fourth Proportional to 154,409.68, 231,163.80 and 95,067.28

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Solution

The fourth proportional to 154,409.68, 231,163.80 and 95,067.28 is: 142,323.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,409.68 : 231,163.80 = 95,067.28 : x
  2. Step 2: Convert to fraction form
    154,409.68/231,163.80 = 95,067.28/x
  3. Step 3: Cross multiply
    154,409.68x = 231,163.80 × 95,067.28
  4. Step 4: Simplify right side
    154,409.68x = 21,976,113,700.46
  5. Step 5: Solve for x
    x = 21,976,113,700.46/154,409.68
  6. Step 6: Final answer
    x = 142,323.42

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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.