Home / 129,933.87-194,900.44-50,992.89

Finding the Fourth Proportional to 129,933.87, 194,900.44 and 50,992.89

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Solution

The fourth proportional to 129,933.87, 194,900.44 and 50,992.89 is: 76,489.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,933.87 : 194,900.44 = 50,992.89 : x
  2. Step 2: Convert to fraction form
    129,933.87/194,900.44 = 50,992.89/x
  3. Step 3: Cross multiply
    129,933.87x = 194,900.44 × 50,992.89
  4. Step 4: Simplify right side
    129,933.87x = 9,938,536,697.87
  5. Step 5: Solve for x
    x = 9,938,536,697.87/129,933.87
  6. Step 6: Final answer
    x = 76,489.19

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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.