Home / 192,623.06-289,065.81-67,964.06

Finding the Fourth Proportional to 192,623.06, 289,065.81 and 67,964.06

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Solution

The fourth proportional to 192,623.06, 289,065.81 and 67,964.06 is: 101,992.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,623.06 : 289,065.81 = 67,964.06 : x
  2. Step 2: Convert to fraction form
    192,623.06/289,065.81 = 67,964.06/x
  3. Step 3: Cross multiply
    192,623.06x = 289,065.81 × 67,964.06
  4. Step 4: Simplify right side
    192,623.06x = 19,646,087,032.32
  5. Step 5: Solve for x
    x = 19,646,087,032.32/192,623.06
  6. Step 6: Final answer
    x = 101,992.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.