Home / 200,450.03-276,621.13-109,809.27

Finding the Fourth Proportional to 200,450.03, 276,621.13 and 109,809.27

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Solution

The fourth proportional to 200,450.03, 276,621.13 and 109,809.27 is: 151,536.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,450.03 : 276,621.13 = 109,809.27 : x
  2. Step 2: Convert to fraction form
    200,450.03/276,621.13 = 109,809.27/x
  3. Step 3: Cross multiply
    200,450.03x = 276,621.13 × 109,809.27
  4. Step 4: Simplify right side
    200,450.03x = 30,375,563,871.46
  5. Step 5: Solve for x
    x = 30,375,563,871.46/200,450.03
  6. Step 6: Final answer
    x = 151,536.84

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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.