Home / 204,849.80-307,289.10-116,145.80

Finding the Fourth Proportional to 204,849.80, 307,289.10 and 116,145.80

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Solution

The fourth proportional to 204,849.80, 307,289.10 and 116,145.80 is: 174,226.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,849.80 : 307,289.10 = 116,145.80 : x
  2. Step 2: Convert to fraction form
    204,849.80/307,289.10 = 116,145.80/x
  3. Step 3: Cross multiply
    204,849.80x = 307,289.10 × 116,145.80
  4. Step 4: Simplify right side
    204,849.80x = 35,690,338,350.78
  5. Step 5: Solve for x
    x = 35,690,338,350.78/204,849.80
  6. Step 6: Final answer
    x = 174,226.86

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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.