Home / 204,130.49-281,701.17-112,255.70

Finding the Fourth Proportional to 204,130.49, 281,701.17 and 112,255.70

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Solution

The fourth proportional to 204,130.49, 281,701.17 and 112,255.70 is: 154,913.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,130.49 : 281,701.17 = 112,255.70 : x
  2. Step 2: Convert to fraction form
    204,130.49/281,701.17 = 112,255.70/x
  3. Step 3: Cross multiply
    204,130.49x = 281,701.17 × 112,255.70
  4. Step 4: Simplify right side
    204,130.49x = 31,622,560,340.02
  5. Step 5: Solve for x
    x = 31,622,560,340.02/204,130.49
  6. Step 6: Final answer
    x = 154,913.46

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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.