Home / 200,220.30-276,303.99-109,576.38

Finding the Fourth Proportional to 200,220.30, 276,303.99 and 109,576.38

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Solution

The fourth proportional to 200,220.30, 276,303.99 and 109,576.38 is: 151,215.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,220.30 : 276,303.99 = 109,576.38 : x
  2. Step 2: Convert to fraction form
    200,220.30/276,303.99 = 109,576.38/x
  3. Step 3: Cross multiply
    200,220.30x = 276,303.99 × 109,576.38
  4. Step 4: Simplify right side
    200,220.30x = 30,276,391,003.76
  5. Step 5: Solve for x
    x = 30,276,391,003.76/200,220.30
  6. Step 6: Final answer
    x = 151,215.39

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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.