Home / 204,222.38-281,531.44-135,196.18

Finding the Fourth Proportional to 204,222.38, 281,531.44 and 135,196.18

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Solution

The fourth proportional to 204,222.38, 281,531.44 and 135,196.18 is: 186,375.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,222.38 : 281,531.44 = 135,196.18 : x
  2. Step 2: Convert to fraction form
    204,222.38/281,531.44 = 135,196.18/x
  3. Step 3: Cross multiply
    204,222.38x = 281,531.44 × 135,196.18
  4. Step 4: Simplify right side
    204,222.38x = 38,061,975,237.90
  5. Step 5: Solve for x
    x = 38,061,975,237.90/204,222.38
  6. Step 6: Final answer
    x = 186,375.14

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1.5x scale

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.