Home / 320,962.41-442,922.70-177,719.37

Finding the Fourth Proportional to 320,962.41, 442,922.70 and 177,719.37

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Solution

The fourth proportional to 320,962.41, 442,922.70 and 177,719.37 is: 245,249.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,962.41 : 442,922.70 = 177,719.37 : x
  2. Step 2: Convert to fraction form
    320,962.41/442,922.70 = 177,719.37/x
  3. Step 3: Cross multiply
    320,962.41x = 442,922.70 × 177,719.37
  4. Step 4: Simplify right side
    320,962.41x = 78,715,943,202.70
  5. Step 5: Solve for x
    x = 78,715,943,202.70/320,962.41
  6. Step 6: Final answer
    x = 245,249.73

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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.