Home / 200,126.10-276,176.19-109,480.12

Finding the Fourth Proportional to 200,126.10, 276,176.19 and 109,480.12

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Solution

The fourth proportional to 200,126.10, 276,176.19 and 109,480.12 is: 151,083.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,126.10 : 276,176.19 = 109,480.12 : x
  2. Step 2: Convert to fraction form
    200,126.10/276,176.19 = 109,480.12/x
  3. Step 3: Cross multiply
    200,126.10x = 276,176.19 × 109,480.12
  4. Step 4: Simplify right side
    200,126.10x = 30,235,802,422.34
  5. Step 5: Solve for x
    x = 30,235,802,422.34/200,126.10
  6. Step 6: Final answer
    x = 151,083.75

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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.