Home / 208,251.36-312,374.28-50,481.24

Finding the Fourth Proportional to 208,251.36, 312,374.28 and 50,481.24

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Solution

The fourth proportional to 208,251.36, 312,374.28 and 50,481.24 is: 75,721.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,251.36 : 312,374.28 = 50,481.24 : x
  2. Step 2: Convert to fraction form
    208,251.36/312,374.28 = 50,481.24/x
  3. Step 3: Cross multiply
    208,251.36x = 312,374.28 × 50,481.24
  4. Step 4: Simplify right side
    208,251.36x = 15,769,040,998.51
  5. Step 5: Solve for x
    x = 15,769,040,998.51/208,251.36
  6. Step 6: Final answer
    x = 75,721.19

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1.5x scale

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.