Home / 203,182.53-280,365.30-117,144.73

Finding the Fourth Proportional to 203,182.53, 280,365.30 and 117,144.73

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Solution

The fourth proportional to 203,182.53, 280,365.30 and 117,144.73 is: 161,644.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,182.53 : 280,365.30 = 117,144.73 : x
  2. Step 2: Convert to fraction form
    203,182.53/280,365.30 = 117,144.73/x
  3. Step 3: Cross multiply
    203,182.53x = 280,365.30 × 117,144.73
  4. Step 4: Simplify right side
    203,182.53x = 32,843,317,720.33
  5. Step 5: Solve for x
    x = 32,843,317,720.33/203,182.53
  6. Step 6: Final answer
    x = 161,644.40

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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.