Home / 200,455.43-276,628.50-109,814.63

Finding the Fourth Proportional to 200,455.43, 276,628.50 and 109,814.63

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Solution

The fourth proportional to 200,455.43, 276,628.50 and 109,814.63 is: 151,544.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,455.43 : 276,628.50 = 109,814.63 : x
  2. Step 2: Convert to fraction form
    200,455.43/276,628.50 = 109,814.63/x
  3. Step 3: Cross multiply
    200,455.43x = 276,628.50 × 109,814.63
  4. Step 4: Simplify right side
    200,455.43x = 30,377,854,991.81
  5. Step 5: Solve for x
    x = 30,377,854,991.81/200,455.43
  6. Step 6: Final answer
    x = 151,544.19

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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.