Home / 200,040.08-276,065.40-115,169.36

Finding the Fourth Proportional to 200,040.08, 276,065.40 and 115,169.36

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Solution

The fourth proportional to 200,040.08, 276,065.40 and 115,169.36 is: 158,939.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,040.08 : 276,065.40 = 115,169.36 : x
  2. Step 2: Convert to fraction form
    200,040.08/276,065.40 = 115,169.36/x
  3. Step 3: Cross multiply
    200,040.08x = 276,065.40 × 115,169.36
  4. Step 4: Simplify right side
    200,040.08x = 31,794,275,436.14
  5. Step 5: Solve for x
    x = 31,794,275,436.14/200,040.08
  6. Step 6: Final answer
    x = 158,939.53

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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.