Home / 204,086.07-281,642.13-112,209.21

Finding the Fourth Proportional to 204,086.07, 281,642.13 and 112,209.21

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Solution

The fourth proportional to 204,086.07, 281,642.13 and 112,209.21 is: 154,850.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,086.07 : 281,642.13 = 112,209.21 : x
  2. Step 2: Convert to fraction form
    204,086.07/281,642.13 = 112,209.21/x
  3. Step 3: Cross multiply
    204,086.07x = 281,642.13 × 112,209.21
  4. Step 4: Simplify right side
    204,086.07x = 31,602,840,910.02
  5. Step 5: Solve for x
    x = 31,602,840,910.02/204,086.07
  6. Step 6: Final answer
    x = 154,850.55

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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.