Home / 200,015.63-276,021.54-109,371.67

Finding the Fourth Proportional to 200,015.63, 276,021.54 and 109,371.67

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Solution

The fourth proportional to 200,015.63, 276,021.54 and 109,371.67 is: 150,932.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,015.63 : 276,021.54 = 109,371.67 : x
  2. Step 2: Convert to fraction form
    200,015.63/276,021.54 = 109,371.67/x
  3. Step 3: Cross multiply
    200,015.63x = 276,021.54 × 109,371.67
  4. Step 4: Simplify right side
    200,015.63x = 30,188,936,785.77
  5. Step 5: Solve for x
    x = 30,188,936,785.77/200,015.63
  6. Step 6: Final answer
    x = 150,932.89

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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.