Home / 351,540.12-485,133.66-200,651.16

Finding the Fourth Proportional to 351,540.12, 485,133.66 and 200,651.16

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Solution

The fourth proportional to 351,540.12, 485,133.66 and 200,651.16 is: 276,903.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,540.12 : 485,133.66 = 200,651.16 : x
  2. Step 2: Convert to fraction form
    351,540.12/485,133.66 = 200,651.16/x
  3. Step 3: Cross multiply
    351,540.12x = 485,133.66 × 200,651.16
  4. Step 4: Simplify right side
    351,540.12x = 97,342,631,634.05
  5. Step 5: Solve for x
    x = 97,342,631,634.05/351,540.12
  6. Step 6: Final answer
    x = 276,903.34

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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.