Home / 204,189.57-281,706.66-123,587.55

Finding the Fourth Proportional to 204,189.57, 281,706.66 and 123,587.55

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Solution

The fourth proportional to 204,189.57, 281,706.66 and 123,587.55 is: 170,505.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,189.57 : 281,706.66 = 123,587.55 : x
  2. Step 2: Convert to fraction form
    204,189.57/281,706.66 = 123,587.55/x
  3. Step 3: Cross multiply
    204,189.57x = 281,706.66 × 123,587.55
  4. Step 4: Simplify right side
    204,189.57x = 34,815,435,928.08
  5. Step 5: Solve for x
    x = 34,815,435,928.08/204,189.57
  6. Step 6: Final answer
    x = 170,505.46

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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.