Home / 192,856.80-289,304.23-66,480.41

Finding the Fourth Proportional to 192,856.80, 289,304.23 and 66,480.41

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Solution

The fourth proportional to 192,856.80, 289,304.23 and 66,480.41 is: 99,727.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,856.80 : 289,304.23 = 66,480.41 : x
  2. Step 2: Convert to fraction form
    192,856.80/289,304.23 = 66,480.41/x
  3. Step 3: Cross multiply
    192,856.80x = 289,304.23 × 66,480.41
  4. Step 4: Simplify right side
    192,856.80x = 19,233,063,825.13
  5. Step 5: Solve for x
    x = 19,233,063,825.13/192,856.80
  6. Step 6: Final answer
    x = 99,727.17

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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.