Home / 198,271.56-297,495.36-80,173.56

Finding the Fourth Proportional to 198,271.56, 297,495.36 and 80,173.56

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Solution

The fourth proportional to 198,271.56, 297,495.36 and 80,173.56 is: 120,295.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,271.56 : 297,495.36 = 80,173.56 : x
  2. Step 2: Convert to fraction form
    198,271.56/297,495.36 = 80,173.56/x
  3. Step 3: Cross multiply
    198,271.56x = 297,495.36 × 80,173.56
  4. Step 4: Simplify right side
    198,271.56x = 23,851,262,094.68
  5. Step 5: Solve for x
    x = 23,851,262,094.68/198,271.56
  6. Step 6: Final answer
    x = 120,295.93

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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.