Home / 120,652.06-166,519.83-66,954.32

Finding the Fourth Proportional to 120,652.06, 166,519.83 and 66,954.32

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Solution

The fourth proportional to 120,652.06, 166,519.83 and 66,954.32 is: 92,408.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,652.06 : 166,519.83 = 66,954.32 : x
  2. Step 2: Convert to fraction form
    120,652.06/166,519.83 = 66,954.32/x
  3. Step 3: Cross multiply
    120,652.06x = 166,519.83 × 66,954.32
  4. Step 4: Simplify right side
    120,652.06x = 11,149,221,984.17
  5. Step 5: Solve for x
    x = 11,149,221,984.17/120,652.06
  6. Step 6: Final answer
    x = 92,408.05

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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.