Home / 200,563.20-276,779.39-109,917.22

Finding the Fourth Proportional to 200,563.20, 276,779.39 and 109,917.22

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Solution

The fourth proportional to 200,563.20, 276,779.39 and 109,917.22 is: 151,686.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,563.20 : 276,779.39 = 109,917.22 : x
  2. Step 2: Convert to fraction form
    200,563.20/276,779.39 = 109,917.22/x
  3. Step 3: Cross multiply
    200,563.20x = 276,779.39 × 109,917.22
  4. Step 4: Simplify right side
    200,563.20x = 30,422,819,984.72
  5. Step 5: Solve for x
    x = 30,422,819,984.72/200,563.20
  6. Step 6: Final answer
    x = 151,686.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.