Home / 207,352.02-311,013.44-80,968.52

Finding the Fourth Proportional to 207,352.02, 311,013.44 and 80,968.52

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Solution

The fourth proportional to 207,352.02, 311,013.44 and 80,968.52 is: 121,447.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,352.02 : 311,013.44 = 80,968.52 : x
  2. Step 2: Convert to fraction form
    207,352.02/311,013.44 = 80,968.52/x
  3. Step 3: Cross multiply
    207,352.02x = 311,013.44 × 80,968.52
  4. Step 4: Simplify right side
    207,352.02x = 25,182,297,936.91
  5. Step 5: Solve for x
    x = 25,182,297,936.91/207,352.02
  6. Step 6: Final answer
    x = 121,447.08

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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.