Home / 185,518.21-278,299.49-65,550.33

Finding the Fourth Proportional to 185,518.21, 278,299.49 and 65,550.33

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Solution

The fourth proportional to 185,518.21, 278,299.49 and 65,550.33 is: 98,333.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,518.21 : 278,299.49 = 65,550.33 : x
  2. Step 2: Convert to fraction form
    185,518.21/278,299.49 = 65,550.33/x
  3. Step 3: Cross multiply
    185,518.21x = 278,299.49 × 65,550.33
  4. Step 4: Simplify right side
    185,518.21x = 18,242,623,408.33
  5. Step 5: Solve for x
    x = 18,242,623,408.33/185,518.21
  6. Step 6: Final answer
    x = 98,333.33

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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.