Home / 188,759.11-260,487.62-103,876.17

Finding the Fourth Proportional to 188,759.11, 260,487.62 and 103,876.17

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Solution

The fourth proportional to 188,759.11, 260,487.62 and 103,876.17 is: 143,349.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,759.11 : 260,487.62 = 103,876.17 : x
  2. Step 2: Convert to fraction form
    188,759.11/260,487.62 = 103,876.17/x
  3. Step 3: Cross multiply
    188,759.11x = 260,487.62 × 103,876.17
  4. Step 4: Simplify right side
    188,759.11x = 27,058,456,950.23
  5. Step 5: Solve for x
    x = 27,058,456,950.23/188,759.11
  6. Step 6: Final answer
    x = 143,349.14

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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.