Home / 188,682.03-283,001.18-103,318.56

Finding the Fourth Proportional to 188,682.03, 283,001.18 and 103,318.56

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Solution

The fourth proportional to 188,682.03, 283,001.18 and 103,318.56 is: 154,965.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,682.03 : 283,001.18 = 103,318.56 : x
  2. Step 2: Convert to fraction form
    188,682.03/283,001.18 = 103,318.56/x
  3. Step 3: Cross multiply
    188,682.03x = 283,001.18 × 103,318.56
  4. Step 4: Simplify right side
    188,682.03x = 29,239,273,879.31
  5. Step 5: Solve for x
    x = 29,239,273,879.31/188,682.03
  6. Step 6: Final answer
    x = 154,965.86

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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.