Home / 156,796.48-234,800.70-121,760.56

Finding the Fourth Proportional to 156,796.48, 234,800.70 and 121,760.56

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Solution

The fourth proportional to 156,796.48, 234,800.70 and 121,760.56 is: 182,334.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,796.48 : 234,800.70 = 121,760.56 : x
  2. Step 2: Convert to fraction form
    156,796.48/234,800.70 = 121,760.56/x
  3. Step 3: Cross multiply
    156,796.48x = 234,800.70 × 121,760.56
  4. Step 4: Simplify right side
    156,796.48x = 28,589,464,720.39
  5. Step 5: Solve for x
    x = 28,589,464,720.39/156,796.48
  6. Step 6: Final answer
    x = 182,334.86

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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.