Home / 196,145.67-270,709.31-108,950.66

Finding the Fourth Proportional to 196,145.67, 270,709.31 and 108,950.66

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Solution

The fourth proportional to 196,145.67, 270,709.31 and 108,950.66 is: 150,367.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,145.67 : 270,709.31 = 108,950.66 : x
  2. Step 2: Convert to fraction form
    196,145.67/270,709.31 = 108,950.66/x
  3. Step 3: Cross multiply
    196,145.67x = 270,709.31 × 108,950.66
  4. Step 4: Simplify right side
    196,145.67x = 29,493,956,771.12
  5. Step 5: Solve for x
    x = 29,493,956,771.12/196,145.67
  6. Step 6: Final answer
    x = 150,367.62

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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.