Home / 168,059.20-251,781.60-136,724.80

Finding the Fourth Proportional to 168,059.20, 251,781.60 and 136,724.80

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Solution

The fourth proportional to 168,059.20, 251,781.60 and 136,724.80 is: 204,837.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,059.20 : 251,781.60 = 136,724.80 : x
  2. Step 2: Convert to fraction form
    168,059.20/251,781.60 = 136,724.80/x
  3. Step 3: Cross multiply
    168,059.20x = 251,781.60 × 136,724.80
  4. Step 4: Simplify right side
    168,059.20x = 34,424,788,903.68
  5. Step 5: Solve for x
    x = 34,424,788,903.68/168,059.20
  6. Step 6: Final answer
    x = 204,837.28

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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.