Home / 133,621.85-184,413.71-77,035.25

Finding the Fourth Proportional to 133,621.85, 184,413.71 and 77,035.25

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Solution

The fourth proportional to 133,621.85, 184,413.71 and 77,035.25 is: 106,317.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,621.85 : 184,413.71 = 77,035.25 : x
  2. Step 2: Convert to fraction form
    133,621.85/184,413.71 = 77,035.25/x
  3. Step 3: Cross multiply
    133,621.85x = 184,413.71 × 77,035.25
  4. Step 4: Simplify right side
    133,621.85x = 14,206,356,253.28
  5. Step 5: Solve for x
    x = 14,206,356,253.28/133,621.85
  6. Step 6: Final answer
    x = 106,317.61

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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.