Home / 204,405.47-282,016.06-115,986.17

Finding the Fourth Proportional to 204,405.47, 282,016.06 and 115,986.17

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Solution

The fourth proportional to 204,405.47, 282,016.06 and 115,986.17 is: 160,024.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,405.47 : 282,016.06 = 115,986.17 : x
  2. Step 2: Convert to fraction form
    204,405.47/282,016.06 = 115,986.17/x
  3. Step 3: Cross multiply
    204,405.47x = 282,016.06 × 115,986.17
  4. Step 4: Simplify right side
    204,405.47x = 32,709,963,092.96
  5. Step 5: Solve for x
    x = 32,709,963,092.96/204,405.47
  6. Step 6: Final answer
    x = 160,024.89

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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.