Home / 156,982.37-235,481.70-51,809.54

Finding the Fourth Proportional to 156,982.37, 235,481.70 and 51,809.54

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Solution

The fourth proportional to 156,982.37, 235,481.70 and 51,809.54 is: 77,717.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,982.37 : 235,481.70 = 51,809.54 : x
  2. Step 2: Convert to fraction form
    156,982.37/235,481.70 = 51,809.54/x
  3. Step 3: Cross multiply
    156,982.37x = 235,481.70 × 51,809.54
  4. Step 4: Simplify right side
    156,982.37x = 12,200,198,555.42
  5. Step 5: Solve for x
    x = 12,200,198,555.42/156,982.37
  6. Step 6: Final answer
    x = 77,717.00

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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.