Home / 156,968.94-235,448.10-68,222.43

Finding the Fourth Proportional to 156,968.94, 235,448.10 and 68,222.43

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Solution

The fourth proportional to 156,968.94, 235,448.10 and 68,222.43 is: 102,331.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,968.94 : 235,448.10 = 68,222.43 : x
  2. Step 2: Convert to fraction form
    156,968.94/235,448.10 = 68,222.43/x
  3. Step 3: Cross multiply
    156,968.94x = 235,448.10 × 68,222.43
  4. Step 4: Simplify right side
    156,968.94x = 16,062,841,520.88
  5. Step 5: Solve for x
    x = 16,062,841,520.88/156,968.94
  6. Step 6: Final answer
    x = 102,331.34

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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.