Home / 188,413.94-260,011.77-103,535.30

Finding the Fourth Proportional to 188,413.94, 260,011.77 and 103,535.30

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Solution

The fourth proportional to 188,413.94, 260,011.77 and 103,535.30 is: 142,879.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,413.94 : 260,011.77 = 103,535.30 : x
  2. Step 2: Convert to fraction form
    188,413.94/260,011.77 = 103,535.30/x
  3. Step 3: Cross multiply
    188,413.94x = 260,011.77 × 103,535.30
  4. Step 4: Simplify right side
    188,413.94x = 26,920,396,610.48
  5. Step 5: Solve for x
    x = 26,920,396,610.48/188,413.94
  6. Step 6: Final answer
    x = 142,879.01

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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.