Home / 156,970.94-235,451.14-68,224.44

Finding the Fourth Proportional to 156,970.94, 235,451.14 and 68,224.44

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Solution

The fourth proportional to 156,970.94, 235,451.14 and 68,224.44 is: 102,334.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,970.94 : 235,451.14 = 68,224.44 : x
  2. Step 2: Convert to fraction form
    156,970.94/235,451.14 = 68,224.44/x
  3. Step 3: Cross multiply
    156,970.94x = 235,451.14 × 68,224.44
  4. Step 4: Simplify right side
    156,970.94x = 16,063,522,173.86
  5. Step 5: Solve for x
    x = 16,063,522,173.86/156,970.94
  6. Step 6: Final answer
    x = 102,334.37

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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.