Home / 148,021.44-204,271.20-80,952

Finding the Fourth Proportional to 148,021.44, 204,271.20 and 80,952

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Solution

The fourth proportional to 148,021.44, 204,271.20 and 80,952 is: 111,714.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,021.44 : 204,271.20 = 80,952 : x
  2. Step 2: Convert to fraction form
    148,021.44/204,271.20 = 80,952/x
  3. Step 3: Cross multiply
    148,021.44x = 204,271.20 × 80,952
  4. Step 4: Simplify right side
    148,021.44x = 16,536,162,182.40
  5. Step 5: Solve for x
    x = 16,536,162,182.40/148,021.44
  6. Step 6: Final answer
    x = 111,714.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.