Home / 170,857.28-256,175.52-71,086.24

Finding the Fourth Proportional to 170,857.28, 256,175.52 and 71,086.24

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Solution

The fourth proportional to 170,857.28, 256,175.52 and 71,086.24 is: 106,583.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,857.28 : 256,175.52 = 71,086.24 : x
  2. Step 2: Convert to fraction form
    170,857.28/256,175.52 = 71,086.24/x
  3. Step 3: Cross multiply
    170,857.28x = 256,175.52 × 71,086.24
  4. Step 4: Simplify right side
    170,857.28x = 18,210,554,496.84
  5. Step 5: Solve for x
    x = 18,210,554,496.84/170,857.28
  6. Step 6: Final answer
    x = 106,583.43

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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.