Home / 126,558.88-174,622.24-75,561.68

Finding the Fourth Proportional to 126,558.88, 174,622.24 and 75,561.68

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Solution

The fourth proportional to 126,558.88, 174,622.24 and 75,561.68 is: 104,257.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,558.88 : 174,622.24 = 75,561.68 : x
  2. Step 2: Convert to fraction form
    126,558.88/174,622.24 = 75,561.68/x
  3. Step 3: Cross multiply
    126,558.88x = 174,622.24 × 75,561.68
  4. Step 4: Simplify right side
    126,558.88x = 13,194,749,819.76
  5. Step 5: Solve for x
    x = 13,194,749,819.76/126,558.88
  6. Step 6: Final answer
    x = 104,257.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.