Home / 221,467.36-332,253.96-71,707.81

Finding the Fourth Proportional to 221,467.36, 332,253.96 and 71,707.81

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Solution

The fourth proportional to 221,467.36, 332,253.96 and 71,707.81 is: 107,578.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,467.36 : 332,253.96 = 71,707.81 : x
  2. Step 2: Convert to fraction form
    221,467.36/332,253.96 = 71,707.81/x
  3. Step 3: Cross multiply
    221,467.36x = 332,253.96 × 71,707.81
  4. Step 4: Simplify right side
    221,467.36x = 23,825,203,835.43
  5. Step 5: Solve for x
    x = 23,825,203,835.43/221,467.36
  6. Step 6: Final answer
    x = 107,578.85

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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.