Home / 195,965.52-270,424.54-115,396.44

Finding the Fourth Proportional to 195,965.52, 270,424.54 and 115,396.44

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Solution

The fourth proportional to 195,965.52, 270,424.54 and 115,396.44 is: 159,242.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,965.52 : 270,424.54 = 115,396.44 : x
  2. Step 2: Convert to fraction form
    195,965.52/270,424.54 = 115,396.44/x
  3. Step 3: Cross multiply
    195,965.52x = 270,424.54 × 115,396.44
  4. Step 4: Simplify right side
    195,965.52x = 31,206,029,204.64
  5. Step 5: Solve for x
    x = 31,206,029,204.64/195,965.52
  6. Step 6: Final answer
    x = 159,242.45

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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.