Home / 119,733.06-179,669.61-66,469.89

Finding the Fourth Proportional to 119,733.06, 179,669.61 and 66,469.89

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Solution

The fourth proportional to 119,733.06, 179,669.61 and 66,469.89 is: 99,743.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,733.06 : 179,669.61 = 66,469.89 : x
  2. Step 2: Convert to fraction form
    119,733.06/179,669.61 = 66,469.89/x
  3. Step 3: Cross multiply
    119,733.06x = 179,669.61 × 66,469.89
  4. Step 4: Simplify right side
    119,733.06x = 11,942,619,213.04
  5. Step 5: Solve for x
    x = 11,942,619,213.04/119,733.06
  6. Step 6: Final answer
    x = 99,743.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.