Home / 115,662.36-173,013.60-108,576.48

Finding the Fourth Proportional to 115,662.36, 173,013.60 and 108,576.48

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Solution

The fourth proportional to 115,662.36, 173,013.60 and 108,576.48 is: 162,414.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,662.36 : 173,013.60 = 108,576.48 : x
  2. Step 2: Convert to fraction form
    115,662.36/173,013.60 = 108,576.48/x
  3. Step 3: Cross multiply
    115,662.36x = 173,013.60 × 108,576.48
  4. Step 4: Simplify right side
    115,662.36x = 18,785,207,680.13
  5. Step 5: Solve for x
    x = 18,785,207,680.13/115,662.36
  6. Step 6: Final answer
    x = 162,414.18

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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.