Home / 135,945.10-203,917.65-133,612.30

Finding the Fourth Proportional to 135,945.10, 203,917.65 and 133,612.30

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Solution

The fourth proportional to 135,945.10, 203,917.65 and 133,612.30 is: 200,418.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,945.10 : 203,917.65 = 133,612.30 : x
  2. Step 2: Convert to fraction form
    135,945.10/203,917.65 = 133,612.30/x
  3. Step 3: Cross multiply
    135,945.10x = 203,917.65 × 133,612.30
  4. Step 4: Simplify right side
    135,945.10x = 27,245,906,227.10
  5. Step 5: Solve for x
    x = 27,245,906,227.10/135,945.10
  6. Step 6: Final answer
    x = 200,418.45

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1.5x scale

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.