Home / 198,764.88-298,044.60-58,505.36

Finding the Fourth Proportional to 198,764.88, 298,044.60 and 58,505.36

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Solution

The fourth proportional to 198,764.88, 298,044.60 and 58,505.36 is: 87,727.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,764.88 : 298,044.60 = 58,505.36 : x
  2. Step 2: Convert to fraction form
    198,764.88/298,044.60 = 58,505.36/x
  3. Step 3: Cross multiply
    198,764.88x = 298,044.60 × 58,505.36
  4. Step 4: Simplify right side
    198,764.88x = 17,437,206,619.06
  5. Step 5: Solve for x
    x = 17,437,206,619.06/198,764.88
  6. Step 6: Final answer
    x = 87,727.80

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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.