Home / 133,379.38-184,060.94-72,949.83

Finding the Fourth Proportional to 133,379.38, 184,060.94 and 72,949.83

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Solution

The fourth proportional to 133,379.38, 184,060.94 and 72,949.83 is: 100,669.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,379.38 : 184,060.94 = 72,949.83 : x
  2. Step 2: Convert to fraction form
    133,379.38/184,060.94 = 72,949.83/x
  3. Step 3: Cross multiply
    133,379.38x = 184,060.94 × 72,949.83
  4. Step 4: Simplify right side
    133,379.38x = 13,427,214,282.64
  5. Step 5: Solve for x
    x = 13,427,214,282.64/133,379.38
  6. Step 6: Final answer
    x = 100,669.34

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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.