Home / 204,142.31-281,716.49-118,113.02

Finding the Fourth Proportional to 204,142.31, 281,716.49 and 118,113.02

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Solution

The fourth proportional to 204,142.31, 281,716.49 and 118,113.02 is: 162,996.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,142.31 : 281,716.49 = 118,113.02 : x
  2. Step 2: Convert to fraction form
    204,142.31/281,716.49 = 118,113.02/x
  3. Step 3: Cross multiply
    204,142.31x = 281,716.49 × 118,113.02
  4. Step 4: Simplify right side
    204,142.31x = 33,274,385,417.70
  5. Step 5: Solve for x
    x = 33,274,385,417.70/204,142.31
  6. Step 6: Final answer
    x = 162,996.03

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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.