Home / 170,736.80-256,105.20-114,749.60

Finding the Fourth Proportional to 170,736.80, 256,105.20 and 114,749.60

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Solution

The fourth proportional to 170,736.80, 256,105.20 and 114,749.60 is: 172,124.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,736.80 : 256,105.20 = 114,749.60 : x
  2. Step 2: Convert to fraction form
    170,736.80/256,105.20 = 114,749.60/x
  3. Step 3: Cross multiply
    170,736.80x = 256,105.20 × 114,749.60
  4. Step 4: Simplify right side
    170,736.80x = 29,387,969,257.92
  5. Step 5: Solve for x
    x = 29,387,969,257.92/170,736.80
  6. Step 6: Final answer
    x = 172,124.40

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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.