Home / 207,360.02-311,025.42-80,976.52

Finding the Fourth Proportional to 207,360.02, 311,025.42 and 80,976.52

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Solution

The fourth proportional to 207,360.02, 311,025.42 and 80,976.52 is: 121,459.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,360.02 : 311,025.42 = 80,976.52 : x
  2. Step 2: Convert to fraction form
    207,360.02/311,025.42 = 80,976.52/x
  3. Step 3: Cross multiply
    207,360.02x = 311,025.42 × 80,976.52
  4. Step 4: Simplify right side
    207,360.02x = 25,185,756,143.14
  5. Step 5: Solve for x
    x = 25,185,756,143.14/207,360.02
  6. Step 6: Final answer
    x = 121,459.07

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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.