Home / 204,604.02-282,366.45-115,185.78

Finding the Fourth Proportional to 204,604.02, 282,366.45 and 115,185.78

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Solution

The fourth proportional to 204,604.02, 282,366.45 and 115,185.78 is: 158,963.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,604.02 : 282,366.45 = 115,185.78 : x
  2. Step 2: Convert to fraction form
    204,604.02/282,366.45 = 115,185.78/x
  3. Step 3: Cross multiply
    204,604.02x = 282,366.45 × 115,185.78
  4. Step 4: Simplify right side
    204,604.02x = 32,524,599,789.08
  5. Step 5: Solve for x
    x = 32,524,599,789.08/204,604.02
  6. Step 6: Final answer
    x = 158,963.64

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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.