Home / 330,542.96-456,136.44-179,636.72

Finding the Fourth Proportional to 330,542.96, 456,136.44 and 179,636.72

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Solution

The fourth proportional to 330,542.96, 456,136.44 and 179,636.72 is: 247,891.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,542.96 : 456,136.44 = 179,636.72 : x
  2. Step 2: Convert to fraction form
    330,542.96/456,136.44 = 179,636.72/x
  3. Step 3: Cross multiply
    330,542.96x = 456,136.44 × 179,636.72
  4. Step 4: Simplify right side
    330,542.96x = 81,938,853,954.08
  5. Step 5: Solve for x
    x = 81,938,853,954.08/330,542.96
  6. Step 6: Final answer
    x = 247,891.69

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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.