Home / 203,310.56-280,561.05-117,273.11

Finding the Fourth Proportional to 203,310.56, 280,561.05 and 117,273.11

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Solution

The fourth proportional to 203,310.56, 280,561.05 and 117,273.11 is: 161,832.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,310.56 : 280,561.05 = 117,273.11 : x
  2. Step 2: Convert to fraction form
    203,310.56/280,561.05 = 117,273.11/x
  3. Step 3: Cross multiply
    203,310.56x = 280,561.05 × 117,273.11
  4. Step 4: Simplify right side
    203,310.56x = 32,902,265,475.56
  5. Step 5: Solve for x
    x = 32,902,265,475.56/203,310.56
  6. Step 6: Final answer
    x = 161,832.54

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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.