Home / 418,178.60-577,083.36-227,193.56

Finding the Fourth Proportional to 418,178.60, 577,083.36 and 227,193.56

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Solution

The fourth proportional to 418,178.60, 577,083.36 and 227,193.56 is: 313,525.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,178.60 : 577,083.36 = 227,193.56 : x
  2. Step 2: Convert to fraction form
    418,178.60/577,083.36 = 227,193.56/x
  3. Step 3: Cross multiply
    418,178.60x = 577,083.36 × 227,193.56
  4. Step 4: Simplify right side
    418,178.60x = 131,109,622,975.16
  5. Step 5: Solve for x
    x = 131,109,622,975.16/418,178.60
  6. Step 6: Final answer
    x = 313,525.42

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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.