Home / 188,743.44-260,465.85-103,860.50

Finding the Fourth Proportional to 188,743.44, 260,465.85 and 103,860.50

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Solution

The fourth proportional to 188,743.44, 260,465.85 and 103,860.50 is: 143,327.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,743.44 : 260,465.85 = 103,860.50 : x
  2. Step 2: Convert to fraction form
    188,743.44/260,465.85 = 103,860.50/x
  3. Step 3: Cross multiply
    188,743.44x = 260,465.85 × 103,860.50
  4. Step 4: Simplify right side
    188,743.44x = 27,052,113,413.93
  5. Step 5: Solve for x
    x = 27,052,113,413.93/188,743.44
  6. Step 6: Final answer
    x = 143,327.44

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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.