Home / 140,880.14-194,414.19-77,217.74

Finding the Fourth Proportional to 140,880.14, 194,414.19 and 77,217.74

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Solution

The fourth proportional to 140,880.14, 194,414.19 and 77,217.74 is: 106,560.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,880.14 : 194,414.19 = 77,217.74 : x
  2. Step 2: Convert to fraction form
    140,880.14/194,414.19 = 77,217.74/x
  3. Step 3: Cross multiply
    140,880.14x = 194,414.19 × 77,217.74
  4. Step 4: Simplify right side
    140,880.14x = 15,012,224,375.73
  5. Step 5: Solve for x
    x = 15,012,224,375.73/140,880.14
  6. Step 6: Final answer
    x = 106,560.26

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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.