Home / 118,766.75-178,156.24-30,021.02

Finding the Fourth Proportional to 118,766.75, 178,156.24 and 30,021.02

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Solution

The fourth proportional to 118,766.75, 178,156.24 and 30,021.02 is: 45,033.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,766.75 : 178,156.24 = 30,021.02 : x
  2. Step 2: Convert to fraction form
    118,766.75/178,156.24 = 30,021.02/x
  3. Step 3: Cross multiply
    118,766.75x = 178,156.24 × 30,021.02
  4. Step 4: Simplify right side
    118,766.75x = 5,348,431,078.33
  5. Step 5: Solve for x
    x = 5,348,431,078.33/118,766.75
  6. Step 6: Final answer
    x = 45,033.07

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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.