Home / 154,794.24-213,367.68-104,405.76

Finding the Fourth Proportional to 154,794.24, 213,367.68 and 104,405.76

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Solution

The fourth proportional to 154,794.24, 213,367.68 and 104,405.76 is: 143,912.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,794.24 : 213,367.68 = 104,405.76 : x
  2. Step 2: Convert to fraction form
    154,794.24/213,367.68 = 104,405.76/x
  3. Step 3: Cross multiply
    154,794.24x = 213,367.68 × 104,405.76
  4. Step 4: Simplify right side
    154,794.24x = 22,276,814,789.84
  5. Step 5: Solve for x
    x = 22,276,814,789.84/154,794.24
  6. Step 6: Final answer
    x = 143,912.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.