Home / 211,896.20-317,809.37-69,743.33

Finding the Fourth Proportional to 211,896.20, 317,809.37 and 69,743.33

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Solution

The fourth proportional to 211,896.20, 317,809.37 and 69,743.33 is: 104,603.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,896.20 : 317,809.37 = 69,743.33 : x
  2. Step 2: Convert to fraction form
    211,896.20/317,809.37 = 69,743.33/x
  3. Step 3: Cross multiply
    211,896.20x = 317,809.37 × 69,743.33
  4. Step 4: Simplify right side
    211,896.20x = 22,165,083,546.10
  5. Step 5: Solve for x
    x = 22,165,083,546.10/211,896.20
  6. Step 6: Final answer
    x = 104,603.50

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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.