Home / 200,311.38-276,429.51-109,667.52

Finding the Fourth Proportional to 200,311.38, 276,429.51 and 109,667.52

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Solution

The fourth proportional to 200,311.38, 276,429.51 and 109,667.52 is: 151,341.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,311.38 : 276,429.51 = 109,667.52 : x
  2. Step 2: Convert to fraction form
    200,311.38/276,429.51 = 109,667.52/x
  3. Step 3: Cross multiply
    200,311.38x = 276,429.51 × 109,667.52
  4. Step 4: Simplify right side
    200,311.38x = 30,315,338,816.52
  5. Step 5: Solve for x
    x = 30,315,338,816.52/200,311.38
  6. Step 6: Final answer
    x = 151,341.07

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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.