Home / 156,938.44-235,382.82-68,168.14

Finding the Fourth Proportional to 156,938.44, 235,382.82 and 68,168.14

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Solution

The fourth proportional to 156,938.44, 235,382.82 and 68,168.14 is: 102,241.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,938.44 : 235,382.82 = 68,168.14 : x
  2. Step 2: Convert to fraction form
    156,938.44/235,382.82 = 68,168.14/x
  3. Step 3: Cross multiply
    156,938.44x = 235,382.82 × 68,168.14
  4. Step 4: Simplify right side
    156,938.44x = 16,045,609,027.35
  5. Step 5: Solve for x
    x = 16,045,609,027.35/156,938.44
  6. Step 6: Final answer
    x = 102,241.42

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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.