Home / 140,995.16-194,583.56-80,564.42

Finding the Fourth Proportional to 140,995.16, 194,583.56 and 80,564.42

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Solution

The fourth proportional to 140,995.16, 194,583.56 and 80,564.42 is: 111,184.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,995.16 : 194,583.56 = 80,564.42 : x
  2. Step 2: Convert to fraction form
    140,995.16/194,583.56 = 80,564.42/x
  3. Step 3: Cross multiply
    140,995.16x = 194,583.56 × 80,564.42
  4. Step 4: Simplify right side
    140,995.16x = 15,676,511,652.94
  5. Step 5: Solve for x
    x = 15,676,511,652.94/140,995.16
  6. Step 6: Final answer
    x = 111,184.75

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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.