Home / 129,898.10-194,847.15-50,986.10

Finding the Fourth Proportional to 129,898.10, 194,847.15 and 50,986.10

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Solution

The fourth proportional to 129,898.10, 194,847.15 and 50,986.10 is: 76,479.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,898.10 : 194,847.15 = 50,986.10 : x
  2. Step 2: Convert to fraction form
    129,898.10/194,847.15 = 50,986.10/x
  3. Step 3: Cross multiply
    129,898.10x = 194,847.15 × 50,986.10
  4. Step 4: Simplify right side
    129,898.10x = 9,934,496,274.62
  5. Step 5: Solve for x
    x = 9,934,496,274.62/129,898.10
  6. Step 6: Final answer
    x = 76,479.15

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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.