Home / 120,948.56-166,906.08-67,233.04

Finding the Fourth Proportional to 120,948.56, 166,906.08 and 67,233.04

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Solution

The fourth proportional to 120,948.56, 166,906.08 and 67,233.04 is: 92,779.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,948.56 : 166,906.08 = 67,233.04 : x
  2. Step 2: Convert to fraction form
    120,948.56/166,906.08 = 67,233.04/x
  3. Step 3: Cross multiply
    120,948.56x = 166,906.08 × 67,233.04
  4. Step 4: Simplify right side
    120,948.56x = 11,221,603,152.88
  5. Step 5: Solve for x
    x = 11,221,603,152.88/120,948.56
  6. Step 6: Final answer
    x = 92,779.96

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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.