Home / 199,286.54-298,618.40-125,259.02

Finding the Fourth Proportional to 199,286.54, 298,618.40 and 125,259.02

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Solution

The fourth proportional to 199,286.54, 298,618.40 and 125,259.02 is: 187,692.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,286.54 : 298,618.40 = 125,259.02 : x
  2. Step 2: Convert to fraction form
    199,286.54/298,618.40 = 125,259.02/x
  3. Step 3: Cross multiply
    199,286.54x = 298,618.40 × 125,259.02
  4. Step 4: Simplify right side
    199,286.54x = 37,404,648,137.97
  5. Step 5: Solve for x
    x = 37,404,648,137.97/199,286.54
  6. Step 6: Final answer
    x = 187,692.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.