Home / 144,274.20-199,097.26-80,611.32

Finding the Fourth Proportional to 144,274.20, 199,097.26 and 80,611.32

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Solution

The fourth proportional to 144,274.20, 199,097.26 and 80,611.32 is: 111,242.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,274.20 : 199,097.26 = 80,611.32 : x
  2. Step 2: Convert to fraction form
    144,274.20/199,097.26 = 80,611.32/x
  3. Step 3: Cross multiply
    144,274.20x = 199,097.26 × 80,611.32
  4. Step 4: Simplify right side
    144,274.20x = 16,049,492,936.98
  5. Step 5: Solve for x
    x = 16,049,492,936.98/144,274.20
  6. Step 6: Final answer
    x = 111,242.99

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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.