Home / 200,383.05-276,550.26-127,788.32

Finding the Fourth Proportional to 200,383.05, 276,550.26 and 127,788.32

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Solution

The fourth proportional to 200,383.05, 276,550.26 and 127,788.32 is: 176,361.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,383.05 : 276,550.26 = 127,788.32 : x
  2. Step 2: Convert to fraction form
    200,383.05/276,550.26 = 127,788.32/x
  3. Step 3: Cross multiply
    200,383.05x = 276,550.26 × 127,788.32
  4. Step 4: Simplify right side
    200,383.05x = 35,339,893,120.96
  5. Step 5: Solve for x
    x = 35,339,893,120.96/200,383.05
  6. Step 6: Final answer
    x = 176,361.69

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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.