Home / 275,100.72-412,652.64-125,236.20

Finding the Fourth Proportional to 275,100.72, 412,652.64 and 125,236.20

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Solution

The fourth proportional to 275,100.72, 412,652.64 and 125,236.20 is: 187,855.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,100.72 : 412,652.64 = 125,236.20 : x
  2. Step 2: Convert to fraction form
    275,100.72/412,652.64 = 125,236.20/x
  3. Step 3: Cross multiply
    275,100.72x = 412,652.64 × 125,236.20
  4. Step 4: Simplify right side
    275,100.72x = 51,679,048,553.57
  5. Step 5: Solve for x
    x = 51,679,048,553.57/275,100.72
  6. Step 6: Final answer
    x = 187,855.01

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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.