Home / 140,611.95-194,044.46-76,949.73

Finding the Fourth Proportional to 140,611.95, 194,044.46 and 76,949.73

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Solution

The fourth proportional to 140,611.95, 194,044.46 and 76,949.73 is: 106,190.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,611.95 : 194,044.46 = 76,949.73 : x
  2. Step 2: Convert to fraction form
    140,611.95/194,044.46 = 76,949.73/x
  3. Step 3: Cross multiply
    140,611.95x = 194,044.46 × 76,949.73
  4. Step 4: Simplify right side
    140,611.95x = 14,931,668,420.25
  5. Step 5: Solve for x
    x = 14,931,668,420.25/140,611.95
  6. Step 6: Final answer
    x = 106,190.61

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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.