Home / 188,069.60-259,536.36-103,187.27

Finding the Fourth Proportional to 188,069.60, 259,536.36 and 103,187.27

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Solution

The fourth proportional to 188,069.60, 259,536.36 and 103,187.27 is: 142,398.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,069.60 : 259,536.36 = 103,187.27 : x
  2. Step 2: Convert to fraction form
    188,069.60/259,536.36 = 103,187.27/x
  3. Step 3: Cross multiply
    188,069.60x = 259,536.36 × 103,187.27
  4. Step 4: Simplify right side
    188,069.60x = 26,780,848,454.14
  5. Step 5: Solve for x
    x = 26,780,848,454.14/188,069.60
  6. Step 6: Final answer
    x = 142,398.60

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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.