Home / 200,308.52-276,429.04-109,662.98

Finding the Fourth Proportional to 200,308.52, 276,429.04 and 109,662.98

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Solution

The fourth proportional to 200,308.52, 276,429.04 and 109,662.98 is: 151,336.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,308.52 : 276,429.04 = 109,662.98 : x
  2. Step 2: Convert to fraction form
    200,308.52/276,429.04 = 109,662.98/x
  3. Step 3: Cross multiply
    200,308.52x = 276,429.04 × 109,662.98
  4. Step 4: Simplify right side
    200,308.52x = 30,314,032,284.94
  5. Step 5: Solve for x
    x = 30,314,032,284.94/200,308.52
  6. Step 6: Final answer
    x = 151,336.71

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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.