Home / 188,536.73-260,191.20-103,671.41

Finding the Fourth Proportional to 188,536.73, 260,191.20 and 103,671.41

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Solution

The fourth proportional to 188,536.73, 260,191.20 and 103,671.41 is: 143,072.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,536.73 : 260,191.20 = 103,671.41 : x
  2. Step 2: Convert to fraction form
    188,536.73/260,191.20 = 103,671.41/x
  3. Step 3: Cross multiply
    188,536.73x = 260,191.20 × 103,671.41
  4. Step 4: Simplify right side
    188,536.73x = 26,974,388,573.59
  5. Step 5: Solve for x
    x = 26,974,388,573.59/188,536.73
  6. Step 6: Final answer
    x = 143,072.33

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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.