Home / 262,496.20-393,730.54-75,500.36

Finding the Fourth Proportional to 262,496.20, 393,730.54 and 75,500.36

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Solution

The fourth proportional to 262,496.20, 393,730.54 and 75,500.36 is: 113,246.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,496.20 : 393,730.54 = 75,500.36 : x
  2. Step 2: Convert to fraction form
    262,496.20/393,730.54 = 75,500.36/x
  3. Step 3: Cross multiply
    262,496.20x = 393,730.54 × 75,500.36
  4. Step 4: Simplify right side
    262,496.20x = 29,726,797,512.99
  5. Step 5: Solve for x
    x = 29,726,797,512.99/262,496.20
  6. Step 6: Final answer
    x = 113,246.58

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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.