Home / 262,731.75-362,571.26-143,499.75

Finding the Fourth Proportional to 262,731.75, 362,571.26 and 143,499.75

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Solution

The fourth proportional to 262,731.75, 362,571.26 and 143,499.75 is: 198,030.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,731.75 : 362,571.26 = 143,499.75 : x
  2. Step 2: Convert to fraction form
    262,731.75/362,571.26 = 143,499.75/x
  3. Step 3: Cross multiply
    262,731.75x = 362,571.26 × 143,499.75
  4. Step 4: Simplify right side
    262,731.75x = 52,028,884,449.69
  5. Step 5: Solve for x
    x = 52,028,884,449.69/262,731.75
  6. Step 6: Final answer
    x = 198,030.44

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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.