Home / 140,766.51-194,257.83-77,106.60

Finding the Fourth Proportional to 140,766.51, 194,257.83 and 77,106.60

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Solution

The fourth proportional to 140,766.51, 194,257.83 and 77,106.60 is: 106,407.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,766.51 : 194,257.83 = 77,106.60 : x
  2. Step 2: Convert to fraction form
    140,766.51/194,257.83 = 77,106.60/x
  3. Step 3: Cross multiply
    140,766.51x = 194,257.83 × 77,106.60
  4. Step 4: Simplify right side
    140,766.51x = 14,978,560,794.68
  5. Step 5: Solve for x
    x = 14,978,560,794.68/140,766.51
  6. Step 6: Final answer
    x = 106,407.13

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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.