Home / 204,149.63-281,742.28-122,480.96

Finding the Fourth Proportional to 204,149.63, 281,742.28 and 122,480.96

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Solution

The fourth proportional to 204,149.63, 281,742.28 and 122,480.96 is: 169,033.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,149.63 : 281,742.28 = 122,480.96 : x
  2. Step 2: Convert to fraction form
    204,149.63/281,742.28 = 122,480.96/x
  3. Step 3: Cross multiply
    204,149.63x = 281,742.28 × 122,480.96
  4. Step 4: Simplify right side
    204,149.63x = 34,508,065,325.14
  5. Step 5: Solve for x
    x = 34,508,065,325.14/204,149.63
  6. Step 6: Final answer
    x = 169,033.20

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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.