Home / 197,936.35-273,138.24-111,899.31

Finding the Fourth Proportional to 197,936.35, 273,138.24 and 111,899.31

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Solution

The fourth proportional to 197,936.35, 273,138.24 and 111,899.31 is: 154,413.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,936.35 : 273,138.24 = 111,899.31 : x
  2. Step 2: Convert to fraction form
    197,936.35/273,138.24 = 111,899.31/x
  3. Step 3: Cross multiply
    197,936.35x = 273,138.24 × 111,899.31
  4. Step 4: Simplify right side
    197,936.35x = 30,563,980,590.61
  5. Step 5: Solve for x
    x = 30,563,980,590.61/197,936.35
  6. Step 6: Final answer
    x = 154,413.18

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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.