Home / 200,582.72-276,798.21-109,936.70

Finding the Fourth Proportional to 200,582.72, 276,798.21 and 109,936.70

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Solution

The fourth proportional to 200,582.72, 276,798.21 and 109,936.70 is: 151,709.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,582.72 : 276,798.21 = 109,936.70 : x
  2. Step 2: Convert to fraction form
    200,582.72/276,798.21 = 109,936.70/x
  3. Step 3: Cross multiply
    200,582.72x = 276,798.21 × 109,936.70
  4. Step 4: Simplify right side
    200,582.72x = 30,430,281,773.31
  5. Step 5: Solve for x
    x = 30,430,281,773.31/200,582.72
  6. Step 6: Final answer
    x = 151,709.39

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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.