Home / 120,522.44-166,322.36-66,808.37

Finding the Fourth Proportional to 120,522.44, 166,322.36 and 66,808.37

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Solution

The fourth proportional to 120,522.44, 166,322.36 and 66,808.37 is: 92,196.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,522.44 : 166,322.36 = 66,808.37 : x
  2. Step 2: Convert to fraction form
    120,522.44/166,322.36 = 66,808.37/x
  3. Step 3: Cross multiply
    120,522.44x = 166,322.36 × 66,808.37
  4. Step 4: Simplify right side
    120,522.44x = 11,111,725,766.15
  5. Step 5: Solve for x
    x = 11,111,725,766.15/120,522.44
  6. Step 6: Final answer
    x = 92,196.32

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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.