Home / 158,922.84-238,380.57-80,015.88

Finding the Fourth Proportional to 158,922.84, 238,380.57 and 80,015.88

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Solution

The fourth proportional to 158,922.84, 238,380.57 and 80,015.88 is: 120,021.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,922.84 : 238,380.57 = 80,015.88 : x
  2. Step 2: Convert to fraction form
    158,922.84/238,380.57 = 80,015.88/x
  3. Step 3: Cross multiply
    158,922.84x = 238,380.57 × 80,015.88
  4. Step 4: Simplify right side
    158,922.84x = 19,074,231,083.45
  5. Step 5: Solve for x
    x = 19,074,231,083.45/158,922.84
  6. Step 6: Final answer
    x = 120,021.96

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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.