Home / 188,537.73-260,192.58-103,672.41

Finding the Fourth Proportional to 188,537.73, 260,192.58 and 103,672.41

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Solution

The fourth proportional to 188,537.73, 260,192.58 and 103,672.41 is: 143,073.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,537.73 : 260,192.58 = 103,672.41 : x
  2. Step 2: Convert to fraction form
    188,537.73/260,192.58 = 103,672.41/x
  3. Step 3: Cross multiply
    188,537.73x = 260,192.58 × 103,672.41
  4. Step 4: Simplify right side
    188,537.73x = 26,974,791,832.72
  5. Step 5: Solve for x
    x = 26,974,791,832.72/188,537.73
  6. Step 6: Final answer
    x = 143,073.71

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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.