Home / 209,226.33-313,833.69-76,109.04

Finding the Fourth Proportional to 209,226.33, 313,833.69 and 76,109.04

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Solution

The fourth proportional to 209,226.33, 313,833.69 and 76,109.04 is: 114,161.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,226.33 : 313,833.69 = 76,109.04 : x
  2. Step 2: Convert to fraction form
    209,226.33/313,833.69 = 76,109.04/x
  3. Step 3: Cross multiply
    209,226.33x = 313,833.69 × 76,109.04
  4. Step 4: Simplify right side
    209,226.33x = 23,885,580,865.56
  5. Step 5: Solve for x
    x = 23,885,580,865.56/209,226.33
  6. Step 6: Final answer
    x = 114,161.45

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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.