Home / 251,198.10-346,633.29-143,743.50

Finding the Fourth Proportional to 251,198.10, 346,633.29 and 143,743.50

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Solution

The fourth proportional to 251,198.10, 346,633.29 and 143,743.50 is: 198,354.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,198.10 : 346,633.29 = 143,743.50 : x
  2. Step 2: Convert to fraction form
    251,198.10/346,633.29 = 143,743.50/x
  3. Step 3: Cross multiply
    251,198.10x = 346,633.29 × 143,743.50
  4. Step 4: Simplify right side
    251,198.10x = 49,826,282,321.12
  5. Step 5: Solve for x
    x = 49,826,282,321.12/251,198.10
  6. Step 6: Final answer
    x = 198,354.54

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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.