Home / 200,320.97-276,431.99-109,659.40

Finding the Fourth Proportional to 200,320.97, 276,431.99 and 109,659.40

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Solution

The fourth proportional to 200,320.97, 276,431.99 and 109,659.40 is: 151,323.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,320.97 : 276,431.99 = 109,659.40 : x
  2. Step 2: Convert to fraction form
    200,320.97/276,431.99 = 109,659.40/x
  3. Step 3: Cross multiply
    200,320.97x = 276,431.99 × 109,659.40
  4. Step 4: Simplify right side
    200,320.97x = 30,313,364,924.83
  5. Step 5: Solve for x
    x = 30,313,364,924.83/200,320.97
  6. Step 6: Final answer
    x = 151,323.97

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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.