Home / 106,266.16-159,191.88-82,782.64

Finding the Fourth Proportional to 106,266.16, 159,191.88 and 82,782.64

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Solution

The fourth proportional to 106,266.16, 159,191.88 and 82,782.64 is: 124,012.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,266.16 : 159,191.88 = 82,782.64 : x
  2. Step 2: Convert to fraction form
    106,266.16/159,191.88 = 82,782.64/x
  3. Step 3: Cross multiply
    106,266.16x = 159,191.88 × 82,782.64
  4. Step 4: Simplify right side
    106,266.16x = 13,178,324,092.96
  5. Step 5: Solve for x
    x = 13,178,324,092.96/106,266.16
  6. Step 6: Final answer
    x = 124,012.42

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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.