Home / 126,496.54-174,554.76-69,907.78

Finding the Fourth Proportional to 126,496.54, 174,554.76 and 69,907.78

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Solution

The fourth proportional to 126,496.54, 174,554.76 and 69,907.78 is: 96,466.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,496.54 : 174,554.76 = 69,907.78 : x
  2. Step 2: Convert to fraction form
    126,496.54/174,554.76 = 69,907.78/x
  3. Step 3: Cross multiply
    126,496.54x = 174,554.76 × 69,907.78
  4. Step 4: Simplify right side
    126,496.54x = 12,202,735,760.03
  5. Step 5: Solve for x
    x = 12,202,735,760.03/126,496.54
  6. Step 6: Final answer
    x = 96,466.95

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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.