Home / 200,072.24-276,088.38-109,410.20

Finding the Fourth Proportional to 200,072.24, 276,088.38 and 109,410.20

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Solution

The fourth proportional to 200,072.24, 276,088.38 and 109,410.20 is: 150,979.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,072.24 : 276,088.38 = 109,410.20 : x
  2. Step 2: Convert to fraction form
    200,072.24/276,088.38 = 109,410.20/x
  3. Step 3: Cross multiply
    200,072.24x = 276,088.38 × 109,410.20
  4. Step 4: Simplify right side
    200,072.24x = 30,206,884,873.48
  5. Step 5: Solve for x
    x = 30,206,884,873.48/200,072.24
  6. Step 6: Final answer
    x = 150,979.89

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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.