Home / 200,288.64-276,398.70-109,650.24

Finding the Fourth Proportional to 200,288.64, 276,398.70 and 109,650.24

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Solution

The fourth proportional to 200,288.64, 276,398.70 and 109,650.24 is: 151,317.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,288.64 : 276,398.70 = 109,650.24 : x
  2. Step 2: Convert to fraction form
    200,288.64/276,398.70 = 109,650.24/x
  3. Step 3: Cross multiply
    200,288.64x = 276,398.70 × 109,650.24
  4. Step 4: Simplify right side
    200,288.64x = 30,307,183,790.69
  5. Step 5: Solve for x
    x = 30,307,183,790.69/200,288.64
  6. Step 6: Final answer
    x = 151,317.54

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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.