Home / 211,168.94-291,413.12-115,675.61

Finding the Fourth Proportional to 211,168.94, 291,413.12 and 115,675.61

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Solution

The fourth proportional to 211,168.94, 291,413.12 and 115,675.61 is: 159,632.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,168.94 : 291,413.12 = 115,675.61 : x
  2. Step 2: Convert to fraction form
    211,168.94/291,413.12 = 115,675.61/x
  3. Step 3: Cross multiply
    211,168.94x = 291,413.12 × 115,675.61
  4. Step 4: Simplify right side
    211,168.94x = 33,709,388,382.56
  5. Step 5: Solve for x
    x = 33,709,388,382.56/211,168.94
  6. Step 6: Final answer
    x = 159,632.33

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1.5x scale

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.