Home / 200,172.20-276,240.98-109,536.03

Finding the Fourth Proportional to 200,172.20, 276,240.98 and 109,536.03

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Solution

The fourth proportional to 200,172.20, 276,240.98 and 109,536.03 is: 151,161.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,172.20 : 276,240.98 = 109,536.03 : x
  2. Step 2: Convert to fraction form
    200,172.20/276,240.98 = 109,536.03/x
  3. Step 3: Cross multiply
    200,172.20x = 276,240.98 × 109,536.03
  4. Step 4: Simplify right side
    200,172.20x = 30,258,340,546.35
  5. Step 5: Solve for x
    x = 30,258,340,546.35/200,172.20
  6. Step 6: Final answer
    x = 151,161.56

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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.