Home / 170,891.36-256,380.80-52,563.72

Finding the Fourth Proportional to 170,891.36, 256,380.80 and 52,563.72

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Solution

The fourth proportional to 170,891.36, 256,380.80 and 52,563.72 is: 78,859.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,891.36 : 256,380.80 = 52,563.72 : x
  2. Step 2: Convert to fraction form
    170,891.36/256,380.80 = 52,563.72/x
  3. Step 3: Cross multiply
    170,891.36x = 256,380.80 × 52,563.72
  4. Step 4: Simplify right side
    170,891.36x = 13,476,328,584.58
  5. Step 5: Solve for x
    x = 13,476,328,584.58/170,891.36
  6. Step 6: Final answer
    x = 78,859.04

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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.