Home / 133,923.24-184,819.86-80,217

Finding the Fourth Proportional to 133,923.24, 184,819.86 and 80,217

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Solution

The fourth proportional to 133,923.24, 184,819.86 and 80,217 is: 110,702.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,923.24 : 184,819.86 = 80,217 : x
  2. Step 2: Convert to fraction form
    133,923.24/184,819.86 = 80,217/x
  3. Step 3: Cross multiply
    133,923.24x = 184,819.86 × 80,217
  4. Step 4: Simplify right side
    133,923.24x = 14,825,694,709.62
  5. Step 5: Solve for x
    x = 14,825,694,709.62/133,923.24
  6. Step 6: Final answer
    x = 110,702.93

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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.