Home / 406,216.08-609,469.92-181,557.72

Finding the Fourth Proportional to 406,216.08, 609,469.92 and 181,557.72

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Solution

The fourth proportional to 406,216.08, 609,469.92 and 181,557.72 is: 272,401.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,216.08 : 609,469.92 = 181,557.72 : x
  2. Step 2: Convert to fraction form
    406,216.08/609,469.92 = 181,557.72/x
  3. Step 3: Cross multiply
    406,216.08x = 609,469.92 × 181,557.72
  4. Step 4: Simplify right side
    406,216.08x = 110,653,969,083.78
  5. Step 5: Solve for x
    x = 110,653,969,083.78/406,216.08
  6. Step 6: Final answer
    x = 272,401.75

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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.