Home / 204,858.91-307,427.28-71,740.27

Finding the Fourth Proportional to 204,858.91, 307,427.28 and 71,740.27

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Solution

The fourth proportional to 204,858.91, 307,427.28 and 71,740.27 is: 107,659.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,858.91 : 307,427.28 = 71,740.27 : x
  2. Step 2: Convert to fraction form
    204,858.91/307,427.28 = 71,740.27/x
  3. Step 3: Cross multiply
    204,858.91x = 307,427.28 × 71,740.27
  4. Step 4: Simplify right side
    204,858.91x = 22,054,916,072.57
  5. Step 5: Solve for x
    x = 22,054,916,072.57/204,858.91
  6. Step 6: Final answer
    x = 107,659.05

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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.