Home / 118,730.40-178,161.60-48,604.80

Finding the Fourth Proportional to 118,730.40, 178,161.60 and 48,604.80

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Solution

The fourth proportional to 118,730.40, 178,161.60 and 48,604.80 is: 72,934.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,730.40 : 178,161.60 = 48,604.80 : x
  2. Step 2: Convert to fraction form
    118,730.40/178,161.60 = 48,604.80/x
  3. Step 3: Cross multiply
    118,730.40x = 178,161.60 × 48,604.80
  4. Step 4: Simplify right side
    118,730.40x = 8,659,508,935.68
  5. Step 5: Solve for x
    x = 8,659,508,935.68/118,730.40
  6. Step 6: Final answer
    x = 72,934.22

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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.