Home / 204,530.40-306,795.60-64,289.03

Finding the Fourth Proportional to 204,530.40, 306,795.60 and 64,289.03

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Solution

The fourth proportional to 204,530.40, 306,795.60 and 64,289.03 is: 96,433.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,530.40 : 306,795.60 = 64,289.03 : x
  2. Step 2: Convert to fraction form
    204,530.40/306,795.60 = 64,289.03/x
  3. Step 3: Cross multiply
    204,530.40x = 306,795.60 × 64,289.03
  4. Step 4: Simplify right side
    204,530.40x = 19,723,589,998.29
  5. Step 5: Solve for x
    x = 19,723,589,998.29/204,530.40
  6. Step 6: Final answer
    x = 96,433.54

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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.