Home / 200,125.10-276,174.81-109,479.12

Finding the Fourth Proportional to 200,125.10, 276,174.81 and 109,479.12

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Solution

The fourth proportional to 200,125.10, 276,174.81 and 109,479.12 is: 151,082.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,125.10 : 276,174.81 = 109,479.12 : x
  2. Step 2: Convert to fraction form
    200,125.10/276,174.81 = 109,479.12/x
  3. Step 3: Cross multiply
    200,125.10x = 276,174.81 × 109,479.12
  4. Step 4: Simplify right side
    200,125.10x = 30,235,375,164.97
  5. Step 5: Solve for x
    x = 30,235,375,164.97/200,125.10
  6. Step 6: Final answer
    x = 151,082.37

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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.