Home / 200,159.44-276,217.56-109,514.09

Finding the Fourth Proportional to 200,159.44, 276,217.56 and 109,514.09

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Solution

The fourth proportional to 200,159.44, 276,217.56 and 109,514.09 is: 151,128.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,159.44 : 276,217.56 = 109,514.09 : x
  2. Step 2: Convert to fraction form
    200,159.44/276,217.56 = 109,514.09/x
  3. Step 3: Cross multiply
    200,159.44x = 276,217.56 × 109,514.09
  4. Step 4: Simplify right side
    200,159.44x = 30,249,715,415.96
  5. Step 5: Solve for x
    x = 30,249,715,415.96/200,159.44
  6. Step 6: Final answer
    x = 151,128.10

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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.