Home / 199,241.36-298,908.76-79,305.58

Finding the Fourth Proportional to 199,241.36, 298,908.76 and 79,305.58

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Solution

The fourth proportional to 199,241.36, 298,908.76 and 79,305.58 is: 118,976.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,241.36 : 298,908.76 = 79,305.58 : x
  2. Step 2: Convert to fraction form
    199,241.36/298,908.76 = 79,305.58/x
  3. Step 3: Cross multiply
    199,241.36x = 298,908.76 × 79,305.58
  4. Step 4: Simplify right side
    199,241.36x = 23,705,132,578.88
  5. Step 5: Solve for x
    x = 23,705,132,578.88/199,241.36
  6. Step 6: Final answer
    x = 118,976.97

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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.