Home / 143,819.96-215,715.36-38,625.26

Finding the Fourth Proportional to 143,819.96, 215,715.36 and 38,625.26

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Solution

The fourth proportional to 143,819.96, 215,715.36 and 38,625.26 is: 57,933.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,819.96 : 215,715.36 = 38,625.26 : x
  2. Step 2: Convert to fraction form
    143,819.96/215,715.36 = 38,625.26/x
  3. Step 3: Cross multiply
    143,819.96x = 215,715.36 × 38,625.26
  4. Step 4: Simplify right side
    143,819.96x = 8,332,061,865.99
  5. Step 5: Solve for x
    x = 8,332,061,865.99/143,819.96
  6. Step 6: Final answer
    x = 57,933.97

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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.