Home / 118,766.75-178,150.10-39,936.33

Finding the Fourth Proportional to 118,766.75, 178,150.10 and 39,936.33

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Solution

The fourth proportional to 118,766.75, 178,150.10 and 39,936.33 is: 59,904.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,766.75 : 178,150.10 = 39,936.33 : x
  2. Step 2: Convert to fraction form
    118,766.75/178,150.10 = 39,936.33/x
  3. Step 3: Cross multiply
    118,766.75x = 178,150.10 × 39,936.33
  4. Step 4: Simplify right side
    118,766.75x = 7,114,660,983.45
  5. Step 5: Solve for x
    x = 7,114,660,983.45/118,766.75
  6. Step 6: Final answer
    x = 59,904.49

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1.5x scale

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.