Home / 115,304.90-173,203.19-108,563.48

Finding the Fourth Proportional to 115,304.90, 173,203.19 and 108,563.48

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Solution

The fourth proportional to 115,304.90, 173,203.19 and 108,563.48 is: 163,076.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,304.90 : 173,203.19 = 108,563.48 : x
  2. Step 2: Convert to fraction form
    115,304.90/173,203.19 = 108,563.48/x
  3. Step 3: Cross multiply
    115,304.90x = 173,203.19 × 108,563.48
  4. Step 4: Simplify right side
    115,304.90x = 18,803,540,458.89
  5. Step 5: Solve for x
    x = 18,803,540,458.89/115,304.90
  6. Step 6: Final answer
    x = 163,076.68

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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.