Home / 208,132.41-312,198.63-50,360.87

Finding the Fourth Proportional to 208,132.41, 312,198.63 and 50,360.87

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Solution

The fourth proportional to 208,132.41, 312,198.63 and 50,360.87 is: 75,541.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,132.41 : 312,198.63 = 50,360.87 : x
  2. Step 2: Convert to fraction form
    208,132.41/312,198.63 = 50,360.87/x
  3. Step 3: Cross multiply
    208,132.41x = 312,198.63 × 50,360.87
  4. Step 4: Simplify right side
    208,132.41x = 15,722,593,058.62
  5. Step 5: Solve for x
    x = 15,722,593,058.62/208,132.41
  6. Step 6: Final answer
    x = 75,541.30

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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.