Home / 168,825.30-253,362.42-80,079.06

Finding the Fourth Proportional to 168,825.30, 253,362.42 and 80,079.06

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Solution

The fourth proportional to 168,825.30, 253,362.42 and 80,079.06 is: 120,177.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,825.30 : 253,362.42 = 80,079.06 : x
  2. Step 2: Convert to fraction form
    168,825.30/253,362.42 = 80,079.06/x
  3. Step 3: Cross multiply
    168,825.30x = 253,362.42 × 80,079.06
  4. Step 4: Simplify right side
    168,825.30x = 20,289,024,432.93
  5. Step 5: Solve for x
    x = 20,289,024,432.93/168,825.30
  6. Step 6: Final answer
    x = 120,177.63

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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.