Home / 200,361.21-276,501.87-109,715.73

Finding the Fourth Proportional to 200,361.21, 276,501.87 and 109,715.73

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Solution

The fourth proportional to 200,361.21, 276,501.87 and 109,715.73 is: 151,409.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,361.21 : 276,501.87 = 109,715.73 : x
  2. Step 2: Convert to fraction form
    200,361.21/276,501.87 = 109,715.73/x
  3. Step 3: Cross multiply
    200,361.21x = 276,501.87 × 109,715.73
  4. Step 4: Simplify right side
    200,361.21x = 30,336,604,513.42
  5. Step 5: Solve for x
    x = 30,336,604,513.42/200,361.21
  6. Step 6: Final answer
    x = 151,409.57

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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.