Home / 197,932.80-273,142.08-107,284.80

Finding the Fourth Proportional to 197,932.80, 273,142.08 and 107,284.80

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Solution

The fourth proportional to 197,932.80, 273,142.08 and 107,284.80 is: 148,050.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,932.80 : 273,142.08 = 107,284.80 : x
  2. Step 2: Convert to fraction form
    197,932.80/273,142.08 = 107,284.80/x
  3. Step 3: Cross multiply
    197,932.80x = 273,142.08 × 107,284.80
  4. Step 4: Simplify right side
    197,932.80x = 29,303,993,424.38
  5. Step 5: Solve for x
    x = 29,303,993,424.38/197,932.80
  6. Step 6: Final answer
    x = 148,050.21

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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.