Home / 208,845.90-313,218.68-96,418.11

Finding the Fourth Proportional to 208,845.90, 313,218.68 and 96,418.11

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Solution

The fourth proportional to 208,845.90, 313,218.68 and 96,418.11 is: 144,603.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,845.90 : 313,218.68 = 96,418.11 : x
  2. Step 2: Convert to fraction form
    208,845.90/313,218.68 = 96,418.11/x
  3. Step 3: Cross multiply
    208,845.90x = 313,218.68 × 96,418.11
  4. Step 4: Simplify right side
    208,845.90x = 30,199,951,335.16
  5. Step 5: Solve for x
    x = 30,199,951,335.16/208,845.90
  6. Step 6: Final answer
    x = 144,603.99

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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.