Home / 527,167.80-790,800.24-172,183.68

Finding the Fourth Proportional to 527,167.80, 790,800.24 and 172,183.68

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Solution

The fourth proportional to 527,167.80, 790,800.24 and 172,183.68 is: 258,291.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,167.80 : 790,800.24 = 172,183.68 : x
  2. Step 2: Convert to fraction form
    527,167.80/790,800.24 = 172,183.68/x
  3. Step 3: Cross multiply
    527,167.80x = 790,800.24 × 172,183.68
  4. Step 4: Simplify right side
    527,167.80x = 136,162,895,468.08
  5. Step 5: Solve for x
    x = 136,162,895,468.08/527,167.80
  6. Step 6: Final answer
    x = 258,291.37

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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.