Home / 418,173.20-577,081.78-227,186.54

Finding the Fourth Proportional to 418,173.20, 577,081.78 and 227,186.54

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Solution

The fourth proportional to 418,173.20, 577,081.78 and 227,186.54 is: 313,518.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,173.20 : 577,081.78 = 227,186.54 : x
  2. Step 2: Convert to fraction form
    418,173.20/577,081.78 = 227,186.54/x
  3. Step 3: Cross multiply
    418,173.20x = 577,081.78 × 227,186.54
  4. Step 4: Simplify right side
    418,173.20x = 131,105,212,895.24
  5. Step 5: Solve for x
    x = 131,105,212,895.24/418,173.20
  6. Step 6: Final answer
    x = 313,518.93

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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.