Home / 204,143.31-281,717.87-118,114.02

Finding the Fourth Proportional to 204,143.31, 281,717.87 and 118,114.02

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Solution

The fourth proportional to 204,143.31, 281,717.87 and 118,114.02 is: 162,997.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,143.31 : 281,717.87 = 118,114.02 : x
  2. Step 2: Convert to fraction form
    204,143.31/281,717.87 = 118,114.02/x
  3. Step 3: Cross multiply
    204,143.31x = 281,717.87 × 118,114.02
  4. Step 4: Simplify right side
    204,143.31x = 33,274,830,131.54
  5. Step 5: Solve for x
    x = 33,274,830,131.54/204,143.31
  6. Step 6: Final answer
    x = 162,997.41

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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.