Home / 170,168.28-255,233.07-45,519

Finding the Fourth Proportional to 170,168.28, 255,233.07 and 45,519

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Solution

The fourth proportional to 170,168.28, 255,233.07 and 45,519 is: 68,273.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,168.28 : 255,233.07 = 45,519 : x
  2. Step 2: Convert to fraction form
    170,168.28/255,233.07 = 45,519/x
  3. Step 3: Cross multiply
    170,168.28x = 255,233.07 × 45,519
  4. Step 4: Simplify right side
    170,168.28x = 11,617,954,113.33
  5. Step 5: Solve for x
    x = 11,617,954,113.33/170,168.28
  6. Step 6: Final answer
    x = 68,273.32

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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.