Home / 207,376.02-311,049.42-80,992.52

Finding the Fourth Proportional to 207,376.02, 311,049.42 and 80,992.52

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Solution

The fourth proportional to 207,376.02, 311,049.42 and 80,992.52 is: 121,483.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,376.02 : 311,049.42 = 80,992.52 : x
  2. Step 2: Convert to fraction form
    207,376.02/311,049.42 = 80,992.52/x
  3. Step 3: Cross multiply
    207,376.02x = 311,049.42 × 80,992.52
  4. Step 4: Simplify right side
    207,376.02x = 25,192,676,370.34
  5. Step 5: Solve for x
    x = 25,192,676,370.34/207,376.02
  6. Step 6: Final answer
    x = 121,483.07

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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.