Home / 327,962.20-492,029.70-117,578.20

Finding the Fourth Proportional to 327,962.20, 492,029.70 and 117,578.20

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Solution

The fourth proportional to 327,962.20, 492,029.70 and 117,578.20 is: 176,398.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,962.20 : 492,029.70 = 117,578.20 : x
  2. Step 2: Convert to fraction form
    327,962.20/492,029.70 = 117,578.20/x
  3. Step 3: Cross multiply
    327,962.20x = 492,029.70 × 117,578.20
  4. Step 4: Simplify right side
    327,962.20x = 57,851,966,472.54
  5. Step 5: Solve for x
    x = 57,851,966,472.54/327,962.20
  6. Step 6: Final answer
    x = 176,398.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.