Home / 441,540.45-662,316.75-125,997.30

Finding the Fourth Proportional to 441,540.45, 662,316.75 and 125,997.30

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Solution

The fourth proportional to 441,540.45, 662,316.75 and 125,997.30 is: 188,997.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,540.45 : 662,316.75 = 125,997.30 : x
  2. Step 2: Convert to fraction form
    441,540.45/662,316.75 = 125,997.30/x
  3. Step 3: Cross multiply
    441,540.45x = 662,316.75 × 125,997.30
  4. Step 4: Simplify right side
    441,540.45x = 83,450,122,244.78
  5. Step 5: Solve for x
    x = 83,450,122,244.78/441,540.45
  6. Step 6: Final answer
    x = 188,997.68

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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.