Home / 200,112.51-276,161.86-109,466.40

Finding the Fourth Proportional to 200,112.51, 276,161.86 and 109,466.40

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Solution

The fourth proportional to 200,112.51, 276,161.86 and 109,466.40 is: 151,067.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,112.51 : 276,161.86 = 109,466.40 : x
  2. Step 2: Convert to fraction form
    200,112.51/276,161.86 = 109,466.40/x
  3. Step 3: Cross multiply
    200,112.51x = 276,161.86 × 109,466.40
  4. Step 4: Simplify right side
    200,112.51x = 30,230,445,803.94
  5. Step 5: Solve for x
    x = 30,230,445,803.94/200,112.51
  6. Step 6: Final answer
    x = 151,067.24

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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.