Home / 203,273.82-280,538.64-117,236.16

Finding the Fourth Proportional to 203,273.82, 280,538.64 and 117,236.16

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Solution

The fourth proportional to 203,273.82, 280,538.64 and 117,236.16 is: 161,797.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,273.82 : 280,538.64 = 117,236.16 : x
  2. Step 2: Convert to fraction form
    203,273.82/280,538.64 = 117,236.16/x
  3. Step 3: Cross multiply
    203,273.82x = 280,538.64 × 117,236.16
  4. Step 4: Simplify right side
    203,273.82x = 32,889,272,885.22
  5. Step 5: Solve for x
    x = 32,889,272,885.22/203,273.82
  6. Step 6: Final answer
    x = 161,797.88

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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.