Home / 133,481.53-184,213.07-76,891.93

Finding the Fourth Proportional to 133,481.53, 184,213.07 and 76,891.93

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Solution

The fourth proportional to 133,481.53, 184,213.07 and 76,891.93 is: 106,115.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,481.53 : 184,213.07 = 76,891.93 : x
  2. Step 2: Convert to fraction form
    133,481.53/184,213.07 = 76,891.93/x
  3. Step 3: Cross multiply
    133,481.53x = 184,213.07 × 76,891.93
  4. Step 4: Simplify right side
    133,481.53x = 14,164,498,099.07
  5. Step 5: Solve for x
    x = 14,164,498,099.07/133,481.53
  6. Step 6: Final answer
    x = 106,115.79

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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.