Home / 195,643.11-269,974.51-108,422.35

Finding the Fourth Proportional to 195,643.11, 269,974.51 and 108,422.35

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Solution

The fourth proportional to 195,643.11, 269,974.51 and 108,422.35 is: 149,615.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,643.11 : 269,974.51 = 108,422.35 : x
  2. Step 2: Convert to fraction form
    195,643.11/269,974.51 = 108,422.35/x
  3. Step 3: Cross multiply
    195,643.11x = 269,974.51 × 108,422.35
  4. Step 4: Simplify right side
    195,643.11x = 29,271,270,814.30
  5. Step 5: Solve for x
    x = 29,271,270,814.30/195,643.11
  6. Step 6: Final answer
    x = 149,615.65

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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.