Home / 320,934.48-442,903.42-177,694.53

Finding the Fourth Proportional to 320,934.48, 442,903.42 and 177,694.53

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Solution

The fourth proportional to 320,934.48, 442,903.42 and 177,694.53 is: 245,226.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,934.48 : 442,903.42 = 177,694.53 : x
  2. Step 2: Convert to fraction form
    320,934.48/442,903.42 = 177,694.53/x
  3. Step 3: Cross multiply
    320,934.48x = 442,903.42 × 177,694.53
  4. Step 4: Simplify right side
    320,934.48x = 78,701,515,052.29
  5. Step 5: Solve for x
    x = 78,701,515,052.29/320,934.48
  6. Step 6: Final answer
    x = 245,226.11

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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.