Home / 200,664.73-276,862.21-124,147.07

Finding the Fourth Proportional to 200,664.73, 276,862.21 and 124,147.07

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Solution

The fourth proportional to 200,664.73, 276,862.21 and 124,147.07 is: 171,288.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,664.73 : 276,862.21 = 124,147.07 : x
  2. Step 2: Convert to fraction form
    200,664.73/276,862.21 = 124,147.07/x
  3. Step 3: Cross multiply
    200,664.73x = 276,862.21 × 124,147.07
  4. Step 4: Simplify right side
    200,664.73x = 34,371,632,165.22
  5. Step 5: Solve for x
    x = 34,371,632,165.22/200,664.73
  6. Step 6: Final answer
    x = 171,288.86

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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.