Home / 204,973.70-307,537.35-80,404.10

Finding the Fourth Proportional to 204,973.70, 307,537.35 and 80,404.10

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Solution

The fourth proportional to 204,973.70, 307,537.35 and 80,404.10 is: 120,636.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,973.70 : 307,537.35 = 80,404.10 : x
  2. Step 2: Convert to fraction form
    204,973.70/307,537.35 = 80,404.10/x
  3. Step 3: Cross multiply
    204,973.70x = 307,537.35 × 80,404.10
  4. Step 4: Simplify right side
    204,973.70x = 24,727,263,843.14
  5. Step 5: Solve for x
    x = 24,727,263,843.14/204,973.70
  6. Step 6: Final answer
    x = 120,636.28

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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.