Home / 118,904.60-178,443.30-48,834.20

Finding the Fourth Proportional to 118,904.60, 178,443.30 and 48,834.20

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Solution

The fourth proportional to 118,904.60, 178,443.30 and 48,834.20 is: 73,286.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,904.60 : 178,443.30 = 48,834.20 : x
  2. Step 2: Convert to fraction form
    118,904.60/178,443.30 = 48,834.20/x
  3. Step 3: Cross multiply
    118,904.60x = 178,443.30 × 48,834.20
  4. Step 4: Simplify right side
    118,904.60x = 8,714,135,800.86
  5. Step 5: Solve for x
    x = 8,714,135,800.86/118,904.60
  6. Step 6: Final answer
    x = 73,286.78

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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.