Home / 188,736.60-260,459.14-103,857.24

Finding the Fourth Proportional to 188,736.60, 260,459.14 and 103,857.24

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Solution

The fourth proportional to 188,736.60, 260,459.14 and 103,857.24 is: 143,324.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,736.60 : 260,459.14 = 103,857.24 : x
  2. Step 2: Convert to fraction form
    188,736.60/260,459.14 = 103,857.24/x
  3. Step 3: Cross multiply
    188,736.60x = 260,459.14 × 103,857.24
  4. Step 4: Simplify right side
    188,736.60x = 27,050,567,413.17
  5. Step 5: Solve for x
    x = 27,050,567,413.17/188,736.60
  6. Step 6: Final answer
    x = 143,324.44

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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.