Home / 176,578.43-264,861.77-76,738.72

Finding the Fourth Proportional to 176,578.43, 264,861.77 and 76,738.72

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Solution

The fourth proportional to 176,578.43, 264,861.77 and 76,738.72 is: 115,105.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,578.43 : 264,861.77 = 76,738.72 : x
  2. Step 2: Convert to fraction form
    176,578.43/264,861.77 = 76,738.72/x
  3. Step 3: Cross multiply
    176,578.43x = 264,861.77 × 76,738.72
  4. Step 4: Simplify right side
    176,578.43x = 20,325,152,736.43
  5. Step 5: Solve for x
    x = 20,325,152,736.43/176,578.43
  6. Step 6: Final answer
    x = 115,105.53

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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.