Home / 199,845.37-299,975.68-133,747.39

Finding the Fourth Proportional to 199,845.37, 299,975.68 and 133,747.39

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Solution

The fourth proportional to 199,845.37, 299,975.68 and 133,747.39 is: 200,760.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,845.37 : 299,975.68 = 133,747.39 : x
  2. Step 2: Convert to fraction form
    199,845.37/299,975.68 = 133,747.39/x
  3. Step 3: Cross multiply
    199,845.37x = 299,975.68 × 133,747.39
  4. Step 4: Simplify right side
    199,845.37x = 40,120,962,763.60
  5. Step 5: Solve for x
    x = 40,120,962,763.60/199,845.37
  6. Step 6: Final answer
    x = 200,760.04

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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.