Home / 140,880.60-194,414.78-76,351.71

Finding the Fourth Proportional to 140,880.60, 194,414.78 and 76,351.71

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Solution

The fourth proportional to 140,880.60, 194,414.78 and 76,351.71 is: 105,365.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,880.60 : 194,414.78 = 76,351.71 : x
  2. Step 2: Convert to fraction form
    140,880.60/194,414.78 = 76,351.71/x
  3. Step 3: Cross multiply
    140,880.60x = 194,414.78 × 76,351.71
  4. Step 4: Simplify right side
    140,880.60x = 14,843,901,822.21
  5. Step 5: Solve for x
    x = 14,843,901,822.21/140,880.60
  6. Step 6: Final answer
    x = 105,365.12

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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.