Home / 122,669.11-169,284.30-68,222.04

Finding the Fourth Proportional to 122,669.11, 169,284.30 and 68,222.04

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Solution

The fourth proportional to 122,669.11, 169,284.30 and 68,222.04 is: 94,146.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,669.11 : 169,284.30 = 68,222.04 : x
  2. Step 2: Convert to fraction form
    122,669.11/169,284.30 = 68,222.04/x
  3. Step 3: Cross multiply
    122,669.11x = 169,284.30 × 68,222.04
  4. Step 4: Simplify right side
    122,669.11x = 11,548,919,439.55
  5. Step 5: Solve for x
    x = 11,548,919,439.55/122,669.11
  6. Step 6: Final answer
    x = 94,146.93

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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.