Home / 144,736.20-217,142.70-51,232.20

Finding the Fourth Proportional to 144,736.20, 217,142.70 and 51,232.20

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Solution

The fourth proportional to 144,736.20, 217,142.70 and 51,232.20 is: 76,861.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,736.20 : 217,142.70 = 51,232.20 : x
  2. Step 2: Convert to fraction form
    144,736.20/217,142.70 = 51,232.20/x
  3. Step 3: Cross multiply
    144,736.20x = 217,142.70 × 51,232.20
  4. Step 4: Simplify right side
    144,736.20x = 11,124,698,234.94
  5. Step 5: Solve for x
    x = 11,124,698,234.94/144,736.20
  6. Step 6: Final answer
    x = 76,861.89

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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.