Home / 170,786.80-256,180.20-114,799.60

Finding the Fourth Proportional to 170,786.80, 256,180.20 and 114,799.60

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Solution

The fourth proportional to 170,786.80, 256,180.20 and 114,799.60 is: 172,199.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,786.80 : 256,180.20 = 114,799.60 : x
  2. Step 2: Convert to fraction form
    170,786.80/256,180.20 = 114,799.60/x
  3. Step 3: Cross multiply
    170,786.80x = 256,180.20 × 114,799.60
  4. Step 4: Simplify right side
    170,786.80x = 29,409,384,487.92
  5. Step 5: Solve for x
    x = 29,409,384,487.92/170,786.80
  6. Step 6: Final answer
    x = 172,199.40

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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.