Home / 209,249.80-313,850.40-59,513.20

Finding the Fourth Proportional to 209,249.80, 313,850.40 and 59,513.20

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Solution

The fourth proportional to 209,249.80, 313,850.40 and 59,513.20 is: 89,262.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,249.80 : 313,850.40 = 59,513.20 : x
  2. Step 2: Convert to fraction form
    209,249.80/313,850.40 = 59,513.20/x
  3. Step 3: Cross multiply
    209,249.80x = 313,850.40 × 59,513.20
  4. Step 4: Simplify right side
    209,249.80x = 18,678,241,625.28
  5. Step 5: Solve for x
    x = 18,678,241,625.28/209,249.80
  6. Step 6: Final answer
    x = 89,262.89

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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.