Home / 200,219.33-276,302.45-113,022.78

Finding the Fourth Proportional to 200,219.33, 276,302.45 and 113,022.78

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Solution

The fourth proportional to 200,219.33, 276,302.45 and 113,022.78 is: 155,971.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,219.33 : 276,302.45 = 113,022.78 : x
  2. Step 2: Convert to fraction form
    200,219.33/276,302.45 = 113,022.78/x
  3. Step 3: Cross multiply
    200,219.33x = 276,302.45 × 113,022.78
  4. Step 4: Simplify right side
    200,219.33x = 31,228,470,266.23
  5. Step 5: Solve for x
    x = 31,228,470,266.23/200,219.33
  6. Step 6: Final answer
    x = 155,971.30

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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.