Home / 118,817.69-178,249.01-47,745.86

Finding the Fourth Proportional to 118,817.69, 178,249.01 and 47,745.86

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Solution

The fourth proportional to 118,817.69, 178,249.01 and 47,745.86 is: 71,627.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,817.69 : 178,249.01 = 47,745.86 : x
  2. Step 2: Convert to fraction form
    118,817.69/178,249.01 = 47,745.86/x
  3. Step 3: Cross multiply
    118,817.69x = 178,249.01 × 47,745.86
  4. Step 4: Simplify right side
    118,817.69x = 8,510,651,146.62
  5. Step 5: Solve for x
    x = 8,510,651,146.62/118,817.69
  6. Step 6: Final answer
    x = 71,627.81

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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.