Home / 156,913.26-235,237.20-68,100

Finding the Fourth Proportional to 156,913.26, 235,237.20 and 68,100

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Solution

The fourth proportional to 156,913.26, 235,237.20 and 68,100 is: 102,092.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,913.26 : 235,237.20 = 68,100 : x
  2. Step 2: Convert to fraction form
    156,913.26/235,237.20 = 68,100/x
  3. Step 3: Cross multiply
    156,913.26x = 235,237.20 × 68,100
  4. Step 4: Simplify right side
    156,913.26x = 16,019,653,320
  5. Step 5: Solve for x
    x = 16,019,653,320/156,913.26
  6. Step 6: Final answer
    x = 102,092.41

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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.