Home / 195,851.91-270,255.29-115,274.63

Finding the Fourth Proportional to 195,851.91, 270,255.29 and 115,274.63

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Solution

The fourth proportional to 195,851.91, 270,255.29 and 115,274.63 is: 159,067.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,851.91 : 270,255.29 = 115,274.63 : x
  2. Step 2: Convert to fraction form
    195,851.91/270,255.29 = 115,274.63/x
  3. Step 3: Cross multiply
    195,851.91x = 270,255.29 × 115,274.63
  4. Step 4: Simplify right side
    195,851.91x = 31,153,578,659.56
  5. Step 5: Solve for x
    x = 31,153,578,659.56/195,851.91
  6. Step 6: Final answer
    x = 159,067.01

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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.