Home / 123,255.36-184,910.70-39,020.56

Finding the Fourth Proportional to 123,255.36, 184,910.70 and 39,020.56

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Solution

The fourth proportional to 123,255.36, 184,910.70 and 39,020.56 is: 58,539.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,255.36 : 184,910.70 = 39,020.56 : x
  2. Step 2: Convert to fraction form
    123,255.36/184,910.70 = 39,020.56/x
  3. Step 3: Cross multiply
    123,255.36x = 184,910.70 × 39,020.56
  4. Step 4: Simplify right side
    123,255.36x = 7,215,319,063.99
  5. Step 5: Solve for x
    x = 7,215,319,063.99/123,255.36
  6. Step 6: Final answer
    x = 58,539.60

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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.