Home / 209,982.20-289,780.01-114,489.27

Finding the Fourth Proportional to 209,982.20, 289,780.01 and 114,489.27

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Solution

The fourth proportional to 209,982.20, 289,780.01 and 114,489.27 is: 157,997.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,982.20 : 289,780.01 = 114,489.27 : x
  2. Step 2: Convert to fraction form
    209,982.20/289,780.01 = 114,489.27/x
  3. Step 3: Cross multiply
    209,982.20x = 289,780.01 × 114,489.27
  4. Step 4: Simplify right side
    209,982.20x = 33,176,701,233.05
  5. Step 5: Solve for x
    x = 33,176,701,233.05/209,982.20
  6. Step 6: Final answer
    x = 157,997.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.