Home / 156,236.49-234,346.89-55,039.56

Finding the Fourth Proportional to 156,236.49, 234,346.89 and 55,039.56

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Solution

The fourth proportional to 156,236.49, 234,346.89 and 55,039.56 is: 82,556.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,236.49 : 234,346.89 = 55,039.56 : x
  2. Step 2: Convert to fraction form
    156,236.49/234,346.89 = 55,039.56/x
  3. Step 3: Cross multiply
    156,236.49x = 234,346.89 × 55,039.56
  4. Step 4: Simplify right side
    156,236.49x = 12,898,349,712.97
  5. Step 5: Solve for x
    x = 12,898,349,712.97/156,236.49
  6. Step 6: Final answer
    x = 82,556.58

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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.