Home / 200,136.56-276,186.36-109,491.60

Finding the Fourth Proportional to 200,136.56, 276,186.36 and 109,491.60

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Solution

The fourth proportional to 200,136.56, 276,186.36 and 109,491.60 is: 151,097.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,136.56 : 276,186.36 = 109,491.60 : x
  2. Step 2: Convert to fraction form
    200,136.56/276,186.36 = 109,491.60/x
  3. Step 3: Cross multiply
    200,136.56x = 276,186.36 × 109,491.60
  4. Step 4: Simplify right side
    200,136.56x = 30,240,086,454.58
  5. Step 5: Solve for x
    x = 30,240,086,454.58/200,136.56
  6. Step 6: Final answer
    x = 151,097.26

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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.