Home / 221,467.11-332,253.59-71,707.56

Finding the Fourth Proportional to 221,467.11, 332,253.59 and 71,707.56

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Solution

The fourth proportional to 221,467.11, 332,253.59 and 71,707.56 is: 107,578.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,467.11 : 332,253.59 = 71,707.56 : x
  2. Step 2: Convert to fraction form
    221,467.11/332,253.59 = 71,707.56/x
  3. Step 3: Cross multiply
    221,467.11x = 332,253.59 × 71,707.56
  4. Step 4: Simplify right side
    221,467.11x = 23,825,093,881.60
  5. Step 5: Solve for x
    x = 23,825,093,881.60/221,467.11
  6. Step 6: Final answer
    x = 107,578.47

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1.5x scale

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.