Home / 188,551.23-260,194.05-103,667.64

Finding the Fourth Proportional to 188,551.23, 260,194.05 and 103,667.64

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Solution

The fourth proportional to 188,551.23, 260,194.05 and 103,667.64 is: 143,057.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,551.23 : 260,194.05 = 103,667.64 : x
  2. Step 2: Convert to fraction form
    188,551.23/260,194.05 = 103,667.64/x
  3. Step 3: Cross multiply
    188,551.23x = 260,194.05 × 103,667.64
  4. Step 4: Simplify right side
    188,551.23x = 26,973,703,105.54
  5. Step 5: Solve for x
    x = 26,973,703,105.54/188,551.23
  6. Step 6: Final answer
    x = 143,057.69

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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.