Home / 122,734.08-183,912.54-72,714.66

Finding the Fourth Proportional to 122,734.08, 183,912.54 and 72,714.66

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Solution

The fourth proportional to 122,734.08, 183,912.54 and 72,714.66 is: 108,960.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,734.08 : 183,912.54 = 72,714.66 : x
  2. Step 2: Convert to fraction form
    122,734.08/183,912.54 = 72,714.66/x
  3. Step 3: Cross multiply
    122,734.08x = 183,912.54 × 72,714.66
  4. Step 4: Simplify right side
    122,734.08x = 13,373,137,815.84
  5. Step 5: Solve for x
    x = 13,373,137,815.84/122,734.08
  6. Step 6: Final answer
    x = 108,960.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.