Home / 204,098.95-306,142.75-54,340.53

Finding the Fourth Proportional to 204,098.95, 306,142.75 and 54,340.53

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Solution

The fourth proportional to 204,098.95, 306,142.75 and 54,340.53 is: 81,509.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,098.95 : 306,142.75 = 54,340.53 : x
  2. Step 2: Convert to fraction form
    204,098.95/306,142.75 = 54,340.53/x
  3. Step 3: Cross multiply
    204,098.95x = 306,142.75 × 54,340.53
  4. Step 4: Simplify right side
    204,098.95x = 16,635,959,290.66
  5. Step 5: Solve for x
    x = 16,635,959,290.66/204,098.95
  6. Step 6: Final answer
    x = 81,509.28

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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.