Home / 197,142.60-295,719.66-77,194.56

Finding the Fourth Proportional to 197,142.60, 295,719.66 and 77,194.56

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Solution

The fourth proportional to 197,142.60, 295,719.66 and 77,194.56 is: 115,794.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,142.60 : 295,719.66 = 77,194.56 : x
  2. Step 2: Convert to fraction form
    197,142.60/295,719.66 = 77,194.56/x
  3. Step 3: Cross multiply
    197,142.60x = 295,719.66 × 77,194.56
  4. Step 4: Simplify right side
    197,142.60x = 22,827,949,037.05
  5. Step 5: Solve for x
    x = 22,827,949,037.05/197,142.60
  6. Step 6: Final answer
    x = 115,794.10

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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.