Home / 194,413.13-268,187.73-133,878.86

Finding the Fourth Proportional to 194,413.13, 268,187.73 and 133,878.86

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Solution

The fourth proportional to 194,413.13, 268,187.73 and 133,878.86 is: 184,682.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,413.13 : 268,187.73 = 133,878.86 : x
  2. Step 2: Convert to fraction form
    194,413.13/268,187.73 = 133,878.86/x
  3. Step 3: Cross multiply
    194,413.13x = 268,187.73 × 133,878.86
  4. Step 4: Simplify right side
    194,413.13x = 35,904,667,558.39
  5. Step 5: Solve for x
    x = 35,904,667,558.39/194,413.13
  6. Step 6: Final answer
    x = 184,682.32

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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.