Home / 197,140.08-295,734.72-77,181.54

Finding the Fourth Proportional to 197,140.08, 295,734.72 and 77,181.54

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Solution

The fourth proportional to 197,140.08, 295,734.72 and 77,181.54 is: 115,781.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,140.08 : 295,734.72 = 77,181.54 : x
  2. Step 2: Convert to fraction form
    197,140.08/295,734.72 = 77,181.54/x
  3. Step 3: Cross multiply
    197,140.08x = 295,734.72 × 77,181.54
  4. Step 4: Simplify right side
    197,140.08x = 22,825,261,121.07
  5. Step 5: Solve for x
    x = 22,825,261,121.07/197,140.08
  6. Step 6: Final answer
    x = 115,781.94

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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.