Home / 361,099.05-498,316.38-199,954.09

Finding the Fourth Proportional to 361,099.05, 498,316.38 and 199,954.09

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Solution

The fourth proportional to 361,099.05, 498,316.38 and 199,954.09 is: 275,936.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,099.05 : 498,316.38 = 199,954.09 : x
  2. Step 2: Convert to fraction form
    361,099.05/498,316.38 = 199,954.09/x
  3. Step 3: Cross multiply
    361,099.05x = 498,316.38 × 199,954.09
  4. Step 4: Simplify right side
    361,099.05x = 99,640,400,131.95
  5. Step 5: Solve for x
    x = 99,640,400,131.95/361,099.05
  6. Step 6: Final answer
    x = 275,936.48

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1.5x scale

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.