Home / 200,137.23-276,179.07-109,475.55

Finding the Fourth Proportional to 200,137.23, 276,179.07 and 109,475.55

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Solution

The fourth proportional to 200,137.23, 276,179.07 and 109,475.55 is: 151,070.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,137.23 : 276,179.07 = 109,475.55 : x
  2. Step 2: Convert to fraction form
    200,137.23/276,179.07 = 109,475.55/x
  3. Step 3: Cross multiply
    200,137.23x = 276,179.07 × 109,475.55
  4. Step 4: Simplify right side
    200,137.23x = 30,234,855,586.74
  5. Step 5: Solve for x
    x = 30,234,855,586.74/200,137.23
  6. Step 6: Final answer
    x = 151,070.62

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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.