Home / 418,137.18-577,029.99-227,150.72

Finding the Fourth Proportional to 418,137.18, 577,029.99 and 227,150.72

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Solution

The fourth proportional to 418,137.18, 577,029.99 and 227,150.72 is: 313,468.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,137.18 : 577,029.99 = 227,150.72 : x
  2. Step 2: Convert to fraction form
    418,137.18/577,029.99 = 227,150.72/x
  3. Step 3: Cross multiply
    418,137.18x = 577,029.99 × 227,150.72
  4. Step 4: Simplify right side
    418,137.18x = 131,072,777,690.09
  5. Step 5: Solve for x
    x = 131,072,777,690.09/418,137.18
  6. Step 6: Final answer
    x = 313,468.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.