Home / 135,867.90-203,736.26-56,960.94

Finding the Fourth Proportional to 135,867.90, 203,736.26 and 56,960.94

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Solution

The fourth proportional to 135,867.90, 203,736.26 and 56,960.94 is: 85,413.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,867.90 : 203,736.26 = 56,960.94 : x
  2. Step 2: Convert to fraction form
    135,867.90/203,736.26 = 56,960.94/x
  3. Step 3: Cross multiply
    135,867.90x = 203,736.26 × 56,960.94
  4. Step 4: Simplify right side
    135,867.90x = 11,605,008,881.68
  5. Step 5: Solve for x
    x = 11,605,008,881.68/135,867.90
  6. Step 6: Final answer
    x = 85,413.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.