Home / 204,984.96-307,614.24-71,865.12

Finding the Fourth Proportional to 204,984.96, 307,614.24 and 71,865.12

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Solution

The fourth proportional to 204,984.96, 307,614.24 and 71,865.12 is: 107,845.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,984.96 : 307,614.24 = 71,865.12 : x
  2. Step 2: Convert to fraction form
    204,984.96/307,614.24 = 71,865.12/x
  3. Step 3: Cross multiply
    204,984.96x = 307,614.24 × 71,865.12
  4. Step 4: Simplify right side
    204,984.96x = 22,106,734,271.31
  5. Step 5: Solve for x
    x = 22,106,734,271.31/204,984.96
  6. Step 6: Final answer
    x = 107,845.64

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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.