Home / 203,037.33-280,098.54-131,440.44

Finding the Fourth Proportional to 203,037.33, 280,098.54 and 131,440.44

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Solution

The fourth proportional to 203,037.33, 280,098.54 and 131,440.44 is: 181,327.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,037.33 : 280,098.54 = 131,440.44 : x
  2. Step 2: Convert to fraction form
    203,037.33/280,098.54 = 131,440.44/x
  3. Step 3: Cross multiply
    203,037.33x = 280,098.54 × 131,440.44
  4. Step 4: Simplify right side
    203,037.33x = 36,816,275,340.96
  5. Step 5: Solve for x
    x = 36,816,275,340.96/203,037.33
  6. Step 6: Final answer
    x = 181,327.62

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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.