Home / 194,293.08-268,116.66-109,413.72

Finding the Fourth Proportional to 194,293.08, 268,116.66 and 109,413.72

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Solution

The fourth proportional to 194,293.08, 268,116.66 and 109,413.72 is: 150,986.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,293.08 : 268,116.66 = 109,413.72 : x
  2. Step 2: Convert to fraction form
    194,293.08/268,116.66 = 109,413.72/x
  3. Step 3: Cross multiply
    194,293.08x = 268,116.66 × 109,413.72
  4. Step 4: Simplify right side
    194,293.08x = 29,335,641,164.58
  5. Step 5: Solve for x
    x = 29,335,641,164.58/194,293.08
  6. Step 6: Final answer
    x = 150,986.55

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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.