Home / 126,867.36-174,896.10-91,045.92

Finding the Fourth Proportional to 126,867.36, 174,896.10 and 91,045.92

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Solution

The fourth proportional to 126,867.36, 174,896.10 and 91,045.92 is: 125,513.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,867.36 : 174,896.10 = 91,045.92 : x
  2. Step 2: Convert to fraction form
    126,867.36/174,896.10 = 91,045.92/x
  3. Step 3: Cross multiply
    126,867.36x = 174,896.10 × 91,045.92
  4. Step 4: Simplify right side
    126,867.36x = 15,923,576,328.91
  5. Step 5: Solve for x
    x = 15,923,576,328.91/126,867.36
  6. Step 6: Final answer
    x = 125,513.58

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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.