Home / 197,310.16-295,935.96-72,622

Finding the Fourth Proportional to 197,310.16, 295,935.96 and 72,622

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Solution

The fourth proportional to 197,310.16, 295,935.96 and 72,622 is: 108,922.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,310.16 : 295,935.96 = 72,622 : x
  2. Step 2: Convert to fraction form
    197,310.16/295,935.96 = 72,622/x
  3. Step 3: Cross multiply
    197,310.16x = 295,935.96 × 72,622
  4. Step 4: Simplify right side
    197,310.16x = 21,491,461,287.12
  5. Step 5: Solve for x
    x = 21,491,461,287.12/197,310.16
  6. Step 6: Final answer
    x = 108,922.22

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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.