Home / 118,735.36-178,105.32-55,520.62

Finding the Fourth Proportional to 118,735.36, 178,105.32 and 55,520.62

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Solution

The fourth proportional to 118,735.36, 178,105.32 and 55,520.62 is: 83,282.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,735.36 : 178,105.32 = 55,520.62 : x
  2. Step 2: Convert to fraction form
    118,735.36/178,105.32 = 55,520.62/x
  3. Step 3: Cross multiply
    118,735.36x = 178,105.32 × 55,520.62
  4. Step 4: Simplify right side
    118,735.36x = 9,888,517,791.70
  5. Step 5: Solve for x
    x = 9,888,517,791.70/118,735.36
  6. Step 6: Final answer
    x = 83,282.00

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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.