Home / 208,739.43-313,122.11-58,991.18

Finding the Fourth Proportional to 208,739.43, 313,122.11 and 58,991.18

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Solution

The fourth proportional to 208,739.43, 313,122.11 and 58,991.18 is: 88,490.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,739.43 : 313,122.11 = 58,991.18 : x
  2. Step 2: Convert to fraction form
    208,739.43/313,122.11 = 58,991.18/x
  3. Step 3: Cross multiply
    208,739.43x = 313,122.11 × 58,991.18
  4. Step 4: Simplify right side
    208,739.43x = 18,471,440,892.42
  5. Step 5: Solve for x
    x = 18,471,440,892.42/208,739.43
  6. Step 6: Final answer
    x = 88,490.43

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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.