Home / 441,181.31-661,505.09-197,977.79

Finding the Fourth Proportional to 441,181.31, 661,505.09 and 197,977.79

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Solution

The fourth proportional to 441,181.31, 661,505.09 and 197,977.79 is: 296,846.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,181.31 : 661,505.09 = 197,977.79 : x
  2. Step 2: Convert to fraction form
    441,181.31/661,505.09 = 197,977.79/x
  3. Step 3: Cross multiply
    441,181.31x = 661,505.09 × 197,977.79
  4. Step 4: Simplify right side
    441,181.31x = 130,963,311,494.54
  5. Step 5: Solve for x
    x = 130,963,311,494.54/441,181.31
  6. Step 6: Final answer
    x = 296,846.92

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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.