Home / 168,860.20-233,025.78-100,906.60

Finding the Fourth Proportional to 168,860.20, 233,025.78 and 100,906.60

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Solution

The fourth proportional to 168,860.20, 233,025.78 and 100,906.60 is: 139,250.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,860.20 : 233,025.78 = 100,906.60 : x
  2. Step 2: Convert to fraction form
    168,860.20/233,025.78 = 100,906.60/x
  3. Step 3: Cross multiply
    168,860.20x = 233,025.78 × 100,906.60
  4. Step 4: Simplify right side
    168,860.20x = 23,513,839,172.15
  5. Step 5: Solve for x
    x = 23,513,839,172.15/168,860.20
  6. Step 6: Final answer
    x = 139,250.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.