Home / 209,819.08-289,550.38-114,325.80

Finding the Fourth Proportional to 209,819.08, 289,550.38 and 114,325.80

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Solution

The fourth proportional to 209,819.08, 289,550.38 and 114,325.80 is: 157,769.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,819.08 : 289,550.38 = 114,325.80 : x
  2. Step 2: Convert to fraction form
    209,819.08/289,550.38 = 114,325.80/x
  3. Step 3: Cross multiply
    209,819.08x = 289,550.38 × 114,325.80
  4. Step 4: Simplify right side
    209,819.08x = 33,103,078,833.80
  5. Step 5: Solve for x
    x = 33,103,078,833.80/209,819.08
  6. Step 6: Final answer
    x = 157,769.63

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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.