Home / 200,216.23-276,357.50-115,393.03

Finding the Fourth Proportional to 200,216.23, 276,357.50 and 115,393.03

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Solution

The fourth proportional to 200,216.23, 276,357.50 and 115,393.03 is: 159,276.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,216.23 : 276,357.50 = 115,393.03 : x
  2. Step 2: Convert to fraction form
    200,216.23/276,357.50 = 115,393.03/x
  3. Step 3: Cross multiply
    200,216.23x = 276,357.50 × 115,393.03
  4. Step 4: Simplify right side
    200,216.23x = 31,889,729,288.23
  5. Step 5: Solve for x
    x = 31,889,729,288.23/200,216.23
  6. Step 6: Final answer
    x = 159,276.44

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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.