Home / 217,327.92-326,037.96-67,564.56

Finding the Fourth Proportional to 217,327.92, 326,037.96 and 67,564.56

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Solution

The fourth proportional to 217,327.92, 326,037.96 and 67,564.56 is: 101,361.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,327.92 : 326,037.96 = 67,564.56 : x
  2. Step 2: Convert to fraction form
    217,327.92/326,037.96 = 67,564.56/x
  3. Step 3: Cross multiply
    217,327.92x = 326,037.96 × 67,564.56
  4. Step 4: Simplify right side
    217,327.92x = 22,028,611,310.70
  5. Step 5: Solve for x
    x = 22,028,611,310.70/217,327.92
  6. Step 6: Final answer
    x = 101,361.17

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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.