Home / 118,249.27-177,480.28-80,206.54

Finding the Fourth Proportional to 118,249.27, 177,480.28 and 80,206.54

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Solution

The fourth proportional to 118,249.27, 177,480.28 and 80,206.54 is: 120,381.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,249.27 : 177,480.28 = 80,206.54 : x
  2. Step 2: Convert to fraction form
    118,249.27/177,480.28 = 80,206.54/x
  3. Step 3: Cross multiply
    118,249.27x = 177,480.28 × 80,206.54
  4. Step 4: Simplify right side
    118,249.27x = 14,235,078,833.59
  5. Step 5: Solve for x
    x = 14,235,078,833.59/118,249.27
  6. Step 6: Final answer
    x = 120,381.96

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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.