Home / 133,819.48-184,618.20-77,219.92

Finding the Fourth Proportional to 133,819.48, 184,618.20 and 77,219.92

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Solution

The fourth proportional to 133,819.48, 184,618.20 and 77,219.92 is: 106,533.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,819.48 : 184,618.20 = 77,219.92 : x
  2. Step 2: Convert to fraction form
    133,819.48/184,618.20 = 77,219.92/x
  3. Step 3: Cross multiply
    133,819.48x = 184,618.20 × 77,219.92
  4. Step 4: Simplify right side
    133,819.48x = 14,256,202,634.54
  5. Step 5: Solve for x
    x = 14,256,202,634.54/133,819.48
  6. Step 6: Final answer
    x = 106,533.09

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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.