Home / 203,162.04-280,410.26-135,181.85

Finding the Fourth Proportional to 203,162.04, 280,410.26 and 135,181.85

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Solution

The fourth proportional to 203,162.04, 280,410.26 and 135,181.85 is: 186,581.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,162.04 : 280,410.26 = 135,181.85 : x
  2. Step 2: Convert to fraction form
    203,162.04/280,410.26 = 135,181.85/x
  3. Step 3: Cross multiply
    203,162.04x = 280,410.26 × 135,181.85
  4. Step 4: Simplify right side
    203,162.04x = 37,906,375,627.82
  5. Step 5: Solve for x
    x = 37,906,375,627.82/203,162.04
  6. Step 6: Final answer
    x = 186,581.98

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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.