Home / 126,466.47-174,605.09-81,163.98

Finding the Fourth Proportional to 126,466.47, 174,605.09 and 81,163.98

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Solution

The fourth proportional to 126,466.47, 174,605.09 and 81,163.98 is: 112,058.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,466.47 : 174,605.09 = 81,163.98 : x
  2. Step 2: Convert to fraction form
    126,466.47/174,605.09 = 81,163.98/x
  3. Step 3: Cross multiply
    126,466.47x = 174,605.09 × 81,163.98
  4. Step 4: Simplify right side
    126,466.47x = 14,171,643,626.84
  5. Step 5: Solve for x
    x = 14,171,643,626.84/126,466.47
  6. Step 6: Final answer
    x = 112,058.51

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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.