Home / 129,914.40-194,797.18-39,933.73

Finding the Fourth Proportional to 129,914.40, 194,797.18 and 39,933.73

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Solution

The fourth proportional to 129,914.40, 194,797.18 and 39,933.73 is: 59,877.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,914.40 : 194,797.18 = 39,933.73 : x
  2. Step 2: Convert to fraction form
    129,914.40/194,797.18 = 39,933.73/x
  3. Step 3: Cross multiply
    129,914.40x = 194,797.18 × 39,933.73
  4. Step 4: Simplify right side
    129,914.40x = 7,778,977,990.88
  5. Step 5: Solve for x
    x = 7,778,977,990.88/129,914.40
  6. Step 6: Final answer
    x = 59,877.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.