Home / 195,067.13-269,192.63-105,643.13

Finding the Fourth Proportional to 195,067.13, 269,192.63 and 105,643.13

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Solution

The fourth proportional to 195,067.13, 269,192.63 and 105,643.13 is: 145,787.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,067.13 : 269,192.63 = 105,643.13 : x
  2. Step 2: Convert to fraction form
    195,067.13/269,192.63 = 105,643.13/x
  3. Step 3: Cross multiply
    195,067.13x = 269,192.63 × 105,643.13
  4. Step 4: Simplify right side
    195,067.13x = 28,438,350,924.28
  5. Step 5: Solve for x
    x = 28,438,350,924.28/195,067.13
  6. Step 6: Final answer
    x = 145,787.51

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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.