Home / 251,049.72-346,450.50-143,613.12

Finding the Fourth Proportional to 251,049.72, 346,450.50 and 143,613.12

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Solution

The fourth proportional to 251,049.72, 346,450.50 and 143,613.12 is: 198,187.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,049.72 : 346,450.50 = 143,613.12 : x
  2. Step 2: Convert to fraction form
    251,049.72/346,450.50 = 143,613.12/x
  3. Step 3: Cross multiply
    251,049.72x = 346,450.50 × 143,613.12
  4. Step 4: Simplify right side
    251,049.72x = 49,754,837,230.56
  5. Step 5: Solve for x
    x = 49,754,837,230.56/251,049.72
  6. Step 6: Final answer
    x = 198,187.18

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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.