Home / 133,481.32-184,243.62-76,932.52

Finding the Fourth Proportional to 133,481.32, 184,243.62 and 76,932.52

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Solution

The fourth proportional to 133,481.32, 184,243.62 and 76,932.52 is: 106,189.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,481.32 : 184,243.62 = 76,932.52 : x
  2. Step 2: Convert to fraction form
    133,481.32/184,243.62 = 76,932.52/x
  3. Step 3: Cross multiply
    133,481.32x = 184,243.62 × 76,932.52
  4. Step 4: Simplify right side
    133,481.32x = 14,174,325,980.52
  5. Step 5: Solve for x
    x = 14,174,325,980.52/133,481.32
  6. Step 6: Final answer
    x = 106,189.59

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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.