Home / 203,194.78-280,406.81-117,122.36

Finding the Fourth Proportional to 203,194.78, 280,406.81 and 117,122.36

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Solution

The fourth proportional to 203,194.78, 280,406.81 and 117,122.36 is: 161,627.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,194.78 : 280,406.81 = 117,122.36 : x
  2. Step 2: Convert to fraction form
    203,194.78/280,406.81 = 117,122.36/x
  3. Step 3: Cross multiply
    203,194.78x = 280,406.81 × 117,122.36
  4. Step 4: Simplify right side
    203,194.78x = 32,841,906,238.04
  5. Step 5: Solve for x
    x = 32,841,906,238.04/203,194.78
  6. Step 6: Final answer
    x = 161,627.71

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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.