Home / 170,723.12-256,078.20-46,067.36

Finding the Fourth Proportional to 170,723.12, 256,078.20 and 46,067.36

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Solution

The fourth proportional to 170,723.12, 256,078.20 and 46,067.36 is: 69,099.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,723.12 : 256,078.20 = 46,067.36 : x
  2. Step 2: Convert to fraction form
    170,723.12/256,078.20 = 46,067.36/x
  3. Step 3: Cross multiply
    170,723.12x = 256,078.20 × 46,067.36
  4. Step 4: Simplify right side
    170,723.12x = 11,796,846,627.55
  5. Step 5: Solve for x
    x = 11,796,846,627.55/170,723.12
  6. Step 6: Final answer
    x = 69,099.29

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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.