Home / 198,867.56-298,237.88-65,723.00

Finding the Fourth Proportional to 198,867.56, 298,237.88 and 65,723.00

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Solution

The fourth proportional to 198,867.56, 298,237.88 and 65,723.00 is: 98,563.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,867.56 : 298,237.88 = 65,723.00 : x
  2. Step 2: Convert to fraction form
    198,867.56/298,237.88 = 65,723.00/x
  3. Step 3: Cross multiply
    198,867.56x = 298,237.88 × 65,723.00
  4. Step 4: Simplify right side
    198,867.56x = 19,601,086,860.36
  5. Step 5: Solve for x
    x = 19,601,086,860.36/198,867.56
  6. Step 6: Final answer
    x = 98,563.52

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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.