Home / 140,696.19-194,179.28-80,252.91

Finding the Fourth Proportional to 140,696.19, 194,179.28 and 80,252.91

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Solution

The fourth proportional to 140,696.19, 194,179.28 and 80,252.91 is: 110,759.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,696.19 : 194,179.28 = 80,252.91 : x
  2. Step 2: Convert to fraction form
    140,696.19/194,179.28 = 80,252.91/x
  3. Step 3: Cross multiply
    140,696.19x = 194,179.28 × 80,252.91
  4. Step 4: Simplify right side
    140,696.19x = 15,583,451,880.44
  5. Step 5: Solve for x
    x = 15,583,451,880.44/140,696.19
  6. Step 6: Final answer
    x = 110,759.59

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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.