Home / 126,922.03-190,137.76-70,591.89

Finding the Fourth Proportional to 126,922.03, 190,137.76 and 70,591.89

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Solution

The fourth proportional to 126,922.03, 190,137.76 and 70,591.89 is: 105,751.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,922.03 : 190,137.76 = 70,591.89 : x
  2. Step 2: Convert to fraction form
    126,922.03/190,137.76 = 70,591.89/x
  3. Step 3: Cross multiply
    126,922.03x = 190,137.76 × 70,591.89
  4. Step 4: Simplify right side
    126,922.03x = 13,422,183,838.77
  5. Step 5: Solve for x
    x = 13,422,183,838.77/126,922.03
  6. Step 6: Final answer
    x = 105,751.41

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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.