Home / 120,596.84-166,433.87-66,899.16

Finding the Fourth Proportional to 120,596.84, 166,433.87 and 66,899.16

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Solution

The fourth proportional to 120,596.84, 166,433.87 and 66,899.16 is: 92,326.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,596.84 : 166,433.87 = 66,899.16 : x
  2. Step 2: Convert to fraction form
    120,596.84/166,433.87 = 66,899.16/x
  3. Step 3: Cross multiply
    120,596.84x = 166,433.87 × 66,899.16
  4. Step 4: Simplify right side
    120,596.84x = 11,134,285,764.05
  5. Step 5: Solve for x
    x = 11,134,285,764.05/120,596.84
  6. Step 6: Final answer
    x = 92,326.51

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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.