Home / 133,819.54-184,679.14-77,234.56

Finding the Fourth Proportional to 133,819.54, 184,679.14 and 77,234.56

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Solution

The fourth proportional to 133,819.54, 184,679.14 and 77,234.56 is: 106,588.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,819.54 : 184,679.14 = 77,234.56 : x
  2. Step 2: Convert to fraction form
    133,819.54/184,679.14 = 77,234.56/x
  3. Step 3: Cross multiply
    133,819.54x = 184,679.14 × 77,234.56
  4. Step 4: Simplify right side
    133,819.54x = 14,263,612,119.08
  5. Step 5: Solve for x
    x = 14,263,612,119.08/133,819.54
  6. Step 6: Final answer
    x = 106,588.41

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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.