Home / 129,499.40-194,249.10-36,005.15

Finding the Fourth Proportional to 129,499.40, 194,249.10 and 36,005.15

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Solution

The fourth proportional to 129,499.40, 194,249.10 and 36,005.15 is: 54,007.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,499.40 : 194,249.10 = 36,005.15 : x
  2. Step 2: Convert to fraction form
    129,499.40/194,249.10 = 36,005.15/x
  3. Step 3: Cross multiply
    129,499.40x = 194,249.10 × 36,005.15
  4. Step 4: Simplify right side
    129,499.40x = 6,993,967,982.87
  5. Step 5: Solve for x
    x = 6,993,967,982.87/129,499.40
  6. Step 6: Final answer
    x = 54,007.73

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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.