Home / 156,797.48-234,802.20-121,761.56

Finding the Fourth Proportional to 156,797.48, 234,802.20 and 121,761.56

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Solution

The fourth proportional to 156,797.48, 234,802.20 and 121,761.56 is: 182,336.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,797.48 : 234,802.20 = 121,761.56 : x
  2. Step 2: Convert to fraction form
    156,797.48/234,802.20 = 121,761.56/x
  3. Step 3: Cross multiply
    156,797.48x = 234,802.20 × 121,761.56
  4. Step 4: Simplify right side
    156,797.48x = 28,589,882,163.43
  5. Step 5: Solve for x
    x = 28,589,882,163.43/156,797.48
  6. Step 6: Final answer
    x = 182,336.36

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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.