Home / 129,759.20-194,611.12-41,019.68

Finding the Fourth Proportional to 129,759.20, 194,611.12 and 41,019.68

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Solution

The fourth proportional to 129,759.20, 194,611.12 and 41,019.68 is: 61,520.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,759.20 : 194,611.12 = 41,019.68 : x
  2. Step 2: Convert to fraction form
    129,759.20/194,611.12 = 41,019.68/x
  3. Step 3: Cross multiply
    129,759.20x = 194,611.12 × 41,019.68
  4. Step 4: Simplify right side
    129,759.20x = 7,982,885,866.84
  5. Step 5: Solve for x
    x = 7,982,885,866.84/129,759.20
  6. Step 6: Final answer
    x = 61,520.77

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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.