Home / 208,928.63-313,517.48-75,819.27

Finding the Fourth Proportional to 208,928.63, 313,517.48 and 75,819.27

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Solution

The fourth proportional to 208,928.63, 313,517.48 and 75,819.27 is: 113,774.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,928.63 : 313,517.48 = 75,819.27 : x
  2. Step 2: Convert to fraction form
    208,928.63/313,517.48 = 75,819.27/x
  3. Step 3: Cross multiply
    208,928.63x = 313,517.48 × 75,819.27
  4. Step 4: Simplify right side
    208,928.63x = 23,770,666,086.74
  5. Step 5: Solve for x
    x = 23,770,666,086.74/208,928.63
  6. Step 6: Final answer
    x = 113,774.10

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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.