Home / 156,796.20-235,194.32-68,047.74

Finding the Fourth Proportional to 156,796.20, 235,194.32 and 68,047.74

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Solution

The fourth proportional to 156,796.20, 235,194.32 and 68,047.74 is: 102,071.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,796.20 : 235,194.32 = 68,047.74 : x
  2. Step 2: Convert to fraction form
    156,796.20/235,194.32 = 68,047.74/x
  3. Step 3: Cross multiply
    156,796.20x = 235,194.32 × 68,047.74
  4. Step 4: Simplify right side
    156,796.20x = 16,004,441,596.60
  5. Step 5: Solve for x
    x = 16,004,441,596.60/156,796.20
  6. Step 6: Final answer
    x = 102,071.62

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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.