Home / 198,511.53-273,915.06-117,936.98

Finding the Fourth Proportional to 198,511.53, 273,915.06 and 117,936.98

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Solution

The fourth proportional to 198,511.53, 273,915.06 and 117,936.98 is: 162,734.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,511.53 : 273,915.06 = 117,936.98 : x
  2. Step 2: Convert to fraction form
    198,511.53/273,915.06 = 117,936.98/x
  3. Step 3: Cross multiply
    198,511.53x = 273,915.06 × 117,936.98
  4. Step 4: Simplify right side
    198,511.53x = 32,304,713,583.34
  5. Step 5: Solve for x
    x = 32,304,713,583.34/198,511.53
  6. Step 6: Final answer
    x = 162,734.70

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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.