Home / 200,426.36-276,585.06-109,781.48

Finding the Fourth Proportional to 200,426.36, 276,585.06 and 109,781.48

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Solution

The fourth proportional to 200,426.36, 276,585.06 and 109,781.48 is: 151,496.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,426.36 : 276,585.06 = 109,781.48 : x
  2. Step 2: Convert to fraction form
    200,426.36/276,585.06 = 109,781.48/x
  3. Step 3: Cross multiply
    200,426.36x = 276,585.06 × 109,781.48
  4. Step 4: Simplify right side
    200,426.36x = 30,363,917,232.69
  5. Step 5: Solve for x
    x = 30,363,917,232.69/200,426.36
  6. Step 6: Final answer
    x = 151,496.63

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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.