Home / 198,782.56-298,173.88-136,263.52

Finding the Fourth Proportional to 198,782.56, 298,173.88 and 136,263.52

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Solution

The fourth proportional to 198,782.56, 298,173.88 and 136,263.52 is: 204,395.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,782.56 : 298,173.88 = 136,263.52 : x
  2. Step 2: Convert to fraction form
    198,782.56/298,173.88 = 136,263.52/x
  3. Step 3: Cross multiply
    198,782.56x = 298,173.88 × 136,263.52
  4. Step 4: Simplify right side
    198,782.56x = 40,630,222,460.86
  5. Step 5: Solve for x
    x = 40,630,222,460.86/198,782.56
  6. Step 6: Final answer
    x = 204,395.31

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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.