Home / 168,087.89-231,957.86-92,636.39

Finding the Fourth Proportional to 168,087.89, 231,957.86 and 92,636.39

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Solution

The fourth proportional to 168,087.89, 231,957.86 and 92,636.39 is: 127,836.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,087.89 : 231,957.86 = 92,636.39 : x
  2. Step 2: Convert to fraction form
    168,087.89/231,957.86 = 92,636.39/x
  3. Step 3: Cross multiply
    168,087.89x = 231,957.86 × 92,636.39
  4. Step 4: Simplify right side
    168,087.89x = 21,487,737,159.55
  5. Step 5: Solve for x
    x = 21,487,737,159.55/168,087.89
  6. Step 6: Final answer
    x = 127,836.32

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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.