Home / 209,198.52-313,699.22-75,984.84

Finding the Fourth Proportional to 209,198.52, 313,699.22 and 75,984.84

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Solution

The fourth proportional to 209,198.52, 313,699.22 and 75,984.84 is: 113,941.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,198.52 : 313,699.22 = 75,984.84 : x
  2. Step 2: Convert to fraction form
    209,198.52/313,699.22 = 75,984.84/x
  3. Step 3: Cross multiply
    209,198.52x = 313,699.22 × 75,984.84
  4. Step 4: Simplify right side
    209,198.52x = 23,836,385,039.82
  5. Step 5: Solve for x
    x = 23,836,385,039.82/209,198.52
  6. Step 6: Final answer
    x = 113,941.46

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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.