Home / 204,709.23-307,063.85-79,962.75

Finding the Fourth Proportional to 204,709.23, 307,063.85 and 79,962.75

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Solution

The fourth proportional to 204,709.23, 307,063.85 and 79,962.75 is: 119,944.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,709.23 : 307,063.85 = 79,962.75 : x
  2. Step 2: Convert to fraction form
    204,709.23/307,063.85 = 79,962.75/x
  3. Step 3: Cross multiply
    204,709.23x = 307,063.85 × 79,962.75
  4. Step 4: Simplify right side
    204,709.23x = 24,553,669,871.59
  5. Step 5: Solve for x
    x = 24,553,669,871.59/204,709.23
  6. Step 6: Final answer
    x = 119,944.13

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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.