Home / 133,764.75-184,601.07-80,039.43

Finding the Fourth Proportional to 133,764.75, 184,601.07 and 80,039.43

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Solution

The fourth proportional to 133,764.75, 184,601.07 and 80,039.43 is: 110,457.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,764.75 : 184,601.07 = 80,039.43 : x
  2. Step 2: Convert to fraction form
    133,764.75/184,601.07 = 80,039.43/x
  3. Step 3: Cross multiply
    133,764.75x = 184,601.07 × 80,039.43
  4. Step 4: Simplify right side
    133,764.75x = 14,775,364,420.19
  5. Step 5: Solve for x
    x = 14,775,364,420.19/133,764.75
  6. Step 6: Final answer
    x = 110,457.83

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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.