Home / 156,288.96-234,166.32-111,687.84

Finding the Fourth Proportional to 156,288.96, 234,166.32 and 111,687.84

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Solution

The fourth proportional to 156,288.96, 234,166.32 and 111,687.84 is: 167,340.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,288.96 : 234,166.32 = 111,687.84 : x
  2. Step 2: Convert to fraction form
    156,288.96/234,166.32 = 111,687.84/x
  3. Step 3: Cross multiply
    156,288.96x = 234,166.32 × 111,687.84
  4. Step 4: Simplify right side
    156,288.96x = 26,153,530,481.55
  5. Step 5: Solve for x
    x = 26,153,530,481.55/156,288.96
  6. Step 6: Final answer
    x = 167,340.87

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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.