Home / 371,629.28-512,846.14-201,861.92

Finding the Fourth Proportional to 371,629.28, 512,846.14 and 201,861.92

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Solution

The fourth proportional to 371,629.28, 512,846.14 and 201,861.92 is: 278,568.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,629.28 : 512,846.14 = 201,861.92 : x
  2. Step 2: Convert to fraction form
    371,629.28/512,846.14 = 201,861.92/x
  3. Step 3: Cross multiply
    371,629.28x = 512,846.14 × 201,861.92
  4. Step 4: Simplify right side
    371,629.28x = 103,524,106,484.99
  5. Step 5: Solve for x
    x = 103,524,106,484.99/371,629.28
  6. Step 6: Final answer
    x = 278,568.22

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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.