Home / 166,909.68-250,403.91-54,589.47

Finding the Fourth Proportional to 166,909.68, 250,403.91 and 54,589.47

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Solution

The fourth proportional to 166,909.68, 250,403.91 and 54,589.47 is: 81,897.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,909.68 : 250,403.91 = 54,589.47 : x
  2. Step 2: Convert to fraction form
    166,909.68/250,403.91 = 54,589.47/x
  3. Step 3: Cross multiply
    166,909.68x = 250,403.91 × 54,589.47
  4. Step 4: Simplify right side
    166,909.68x = 13,669,416,732.83
  5. Step 5: Solve for x
    x = 13,669,416,732.83/166,909.68
  6. Step 6: Final answer
    x = 81,897.09

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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.