Home / 188,548.74-260,190.60-103,665.14

Finding the Fourth Proportional to 188,548.74, 260,190.60 and 103,665.14

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Solution

The fourth proportional to 188,548.74, 260,190.60 and 103,665.14 is: 143,054.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,548.74 : 260,190.60 = 103,665.14 : x
  2. Step 2: Convert to fraction form
    188,548.74/260,190.60 = 103,665.14/x
  3. Step 3: Cross multiply
    188,548.74x = 260,190.60 × 103,665.14
  4. Step 4: Simplify right side
    188,548.74x = 26,972,694,975.68
  5. Step 5: Solve for x
    x = 26,972,694,975.68/188,548.74
  6. Step 6: Final answer
    x = 143,054.23

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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.