Home / 195,968.16-293,991.12-71,318.88

Finding the Fourth Proportional to 195,968.16, 293,991.12 and 71,318.88

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Solution

The fourth proportional to 195,968.16, 293,991.12 and 71,318.88 is: 106,992.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,968.16 : 293,991.12 = 71,318.88 : x
  2. Step 2: Convert to fraction form
    195,968.16/293,991.12 = 71,318.88/x
  3. Step 3: Cross multiply
    195,968.16x = 293,991.12 × 71,318.88
  4. Step 4: Simplify right side
    195,968.16x = 20,967,117,408.35
  5. Step 5: Solve for x
    x = 20,967,117,408.35/195,968.16
  6. Step 6: Final answer
    x = 106,992.47

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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.