Home / 209,226.83-313,834.44-76,109.54

Finding the Fourth Proportional to 209,226.83, 313,834.44 and 76,109.54

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Solution

The fourth proportional to 209,226.83, 313,834.44 and 76,109.54 is: 114,162.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,226.83 : 313,834.44 = 76,109.54 : x
  2. Step 2: Convert to fraction form
    209,226.83/313,834.44 = 76,109.54/x
  3. Step 3: Cross multiply
    209,226.83x = 313,834.44 × 76,109.54
  4. Step 4: Simplify right side
    209,226.83x = 23,885,794,864.56
  5. Step 5: Solve for x
    x = 23,885,794,864.56/209,226.83
  6. Step 6: Final answer
    x = 114,162.20

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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.