Home / 172,226.25-258,339.38-47,567.25

Finding the Fourth Proportional to 172,226.25, 258,339.38 and 47,567.25

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Solution

The fourth proportional to 172,226.25, 258,339.38 and 47,567.25 is: 71,350.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,226.25 : 258,339.38 = 47,567.25 : x
  2. Step 2: Convert to fraction form
    172,226.25/258,339.38 = 47,567.25/x
  3. Step 3: Cross multiply
    172,226.25x = 258,339.38 × 47,567.25
  4. Step 4: Simplify right side
    172,226.25x = 12,288,493,635.47
  5. Step 5: Solve for x
    x = 12,288,493,635.47/172,226.25
  6. Step 6: Final answer
    x = 71,350.88

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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.