Home / 199,416.21-275,195.24-108,774.12

Finding the Fourth Proportional to 199,416.21, 275,195.24 and 108,774.12

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Solution

The fourth proportional to 199,416.21, 275,195.24 and 108,774.12 is: 150,108.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,416.21 : 275,195.24 = 108,774.12 : x
  2. Step 2: Convert to fraction form
    199,416.21/275,195.24 = 108,774.12/x
  3. Step 3: Cross multiply
    199,416.21x = 275,195.24 × 108,774.12
  4. Step 4: Simplify right side
    199,416.21x = 29,934,120,059.19
  5. Step 5: Solve for x
    x = 29,934,120,059.19/199,416.21
  6. Step 6: Final answer
    x = 150,108.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.