Home / 140,766.19-194,257.44-77,104.24

Finding the Fourth Proportional to 140,766.19, 194,257.44 and 77,104.24

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Solution

The fourth proportional to 140,766.19, 194,257.44 and 77,104.24 is: 106,403.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,766.19 : 194,257.44 = 77,104.24 : x
  2. Step 2: Convert to fraction form
    140,766.19/194,257.44 = 77,104.24/x
  3. Step 3: Cross multiply
    140,766.19x = 194,257.44 × 77,104.24
  4. Step 4: Simplify right side
    140,766.19x = 14,978,071,789.90
  5. Step 5: Solve for x
    x = 14,978,071,789.90/140,766.19
  6. Step 6: Final answer
    x = 106,403.90

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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.