Home / 200,312.28-276,431.00-109,674.09

Finding the Fourth Proportional to 200,312.28, 276,431.00 and 109,674.09

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Solution

The fourth proportional to 200,312.28, 276,431.00 and 109,674.09 is: 151,350.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,312.28 : 276,431.00 = 109,674.09 : x
  2. Step 2: Convert to fraction form
    200,312.28/276,431.00 = 109,674.09/x
  3. Step 3: Cross multiply
    200,312.28x = 276,431.00 × 109,674.09
  4. Step 4: Simplify right side
    200,312.28x = 30,317,317,824.42
  5. Step 5: Solve for x
    x = 30,317,317,824.42/200,312.28
  6. Step 6: Final answer
    x = 151,350.27

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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.