Home / 188,542.49-260,181.94-103,658.89

Finding the Fourth Proportional to 188,542.49, 260,181.94 and 103,658.89

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Solution

The fourth proportional to 188,542.49, 260,181.94 and 103,658.89 is: 143,045.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,542.49 : 260,181.94 = 103,658.89 : x
  2. Step 2: Convert to fraction form
    188,542.49/260,181.94 = 103,658.89/x
  3. Step 3: Cross multiply
    188,542.49x = 260,181.94 × 103,658.89
  4. Step 4: Simplify right side
    188,542.49x = 26,970,171,098.45
  5. Step 5: Solve for x
    x = 26,970,171,098.45/188,542.49
  6. Step 6: Final answer
    x = 143,045.59

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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.