Home / 197,943.10-296,979.82-131,644.06

Finding the Fourth Proportional to 197,943.10, 296,979.82 and 131,644.06

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Solution

The fourth proportional to 197,943.10, 296,979.82 and 131,644.06 is: 197,509.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,943.10 : 296,979.82 = 131,644.06 : x
  2. Step 2: Convert to fraction form
    197,943.10/296,979.82 = 131,644.06/x
  3. Step 3: Cross multiply
    197,943.10x = 296,979.82 × 131,644.06
  4. Step 4: Simplify right side
    197,943.10x = 39,095,629,242.87
  5. Step 5: Solve for x
    x = 39,095,629,242.87/197,943.10
  6. Step 6: Final answer
    x = 197,509.43

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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.