Home / 330,003.20-455,404.92-179,100.56

Finding the Fourth Proportional to 330,003.20, 455,404.92 and 179,100.56

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Solution

The fourth proportional to 330,003.20, 455,404.92 and 179,100.56 is: 247,159.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,003.20 : 455,404.92 = 179,100.56 : x
  2. Step 2: Convert to fraction form
    330,003.20/455,404.92 = 179,100.56/x
  3. Step 3: Cross multiply
    330,003.20x = 455,404.92 × 179,100.56
  4. Step 4: Simplify right side
    330,003.20x = 81,563,276,198.76
  5. Step 5: Solve for x
    x = 81,563,276,198.76/330,003.20
  6. Step 6: Final answer
    x = 247,159.05

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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.