Home / 120,922.64-166,867.76-67,207.44

Finding the Fourth Proportional to 120,922.64, 166,867.76 and 67,207.44

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Solution

The fourth proportional to 120,922.64, 166,867.76 and 67,207.44 is: 92,743.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,922.64 : 166,867.76 = 67,207.44 : x
  2. Step 2: Convert to fraction form
    120,922.64/166,867.76 = 67,207.44/x
  3. Step 3: Cross multiply
    120,922.64x = 166,867.76 × 67,207.44
  4. Step 4: Simplify right side
    120,922.64x = 11,214,754,968.13
  5. Step 5: Solve for x
    x = 11,214,754,968.13/120,922.64
  6. Step 6: Final answer
    x = 92,743.22

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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.