Home / 200,579.73-276,763.73-128,943.33

Finding the Fourth Proportional to 200,579.73, 276,763.73 and 128,943.33

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Solution

The fourth proportional to 200,579.73, 276,763.73 and 128,943.33 is: 177,918.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,579.73 : 276,763.73 = 128,943.33 : x
  2. Step 2: Convert to fraction form
    200,579.73/276,763.73 = 128,943.33/x
  3. Step 3: Cross multiply
    200,579.73x = 276,763.73 × 128,943.33
  4. Step 4: Simplify right side
    200,579.73x = 35,686,836,969.42
  5. Step 5: Solve for x
    x = 35,686,836,969.42/200,579.73
  6. Step 6: Final answer
    x = 177,918.46

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1.5x scale

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.