Home / 445,496.31-668,576.58-179,259.09

Finding the Fourth Proportional to 445,496.31, 668,576.58 and 179,259.09

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Solution

The fourth proportional to 445,496.31, 668,576.58 and 179,259.09 is: 269,022.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,496.31 : 668,576.58 = 179,259.09 : x
  2. Step 2: Convert to fraction form
    445,496.31/668,576.58 = 179,259.09/x
  3. Step 3: Cross multiply
    445,496.31x = 668,576.58 × 179,259.09
  4. Step 4: Simplify right side
    445,496.31x = 119,848,429,326.11
  5. Step 5: Solve for x
    x = 119,848,429,326.11/445,496.31
  6. Step 6: Final answer
    x = 269,022.27

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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.