Home / 204,355.96-306,562.68-71,217.10

Finding the Fourth Proportional to 204,355.96, 306,562.68 and 71,217.10

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Solution

The fourth proportional to 204,355.96, 306,562.68 and 71,217.10 is: 106,835.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,355.96 : 306,562.68 = 71,217.10 : x
  2. Step 2: Convert to fraction form
    204,355.96/306,562.68 = 71,217.10/x
  3. Step 3: Cross multiply
    204,355.96x = 306,562.68 × 71,217.10
  4. Step 4: Simplify right side
    204,355.96x = 21,832,505,037.83
  5. Step 5: Solve for x
    x = 21,832,505,037.83/204,355.96
  6. Step 6: Final answer
    x = 106,835.67

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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.