Home / 275,110.47-412,630.56-106,515.45

Finding the Fourth Proportional to 275,110.47, 412,630.56 and 106,515.45

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Solution

The fourth proportional to 275,110.47, 412,630.56 and 106,515.45 is: 159,759.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,110.47 : 412,630.56 = 106,515.45 : x
  2. Step 2: Convert to fraction form
    275,110.47/412,630.56 = 106,515.45/x
  3. Step 3: Cross multiply
    275,110.47x = 412,630.56 × 106,515.45
  4. Step 4: Simplify right side
    275,110.47x = 43,951,529,782.15
  5. Step 5: Solve for x
    x = 43,951,529,782.15/275,110.47
  6. Step 6: Final answer
    x = 159,759.57

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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.