Home / 163,042.80-244,564.20-107,638.80

Finding the Fourth Proportional to 163,042.80, 244,564.20 and 107,638.80

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Solution

The fourth proportional to 163,042.80, 244,564.20 and 107,638.80 is: 161,458.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,042.80 : 244,564.20 = 107,638.80 : x
  2. Step 2: Convert to fraction form
    163,042.80/244,564.20 = 107,638.80/x
  3. Step 3: Cross multiply
    163,042.80x = 244,564.20 × 107,638.80
  4. Step 4: Simplify right side
    163,042.80x = 26,324,597,010.96
  5. Step 5: Solve for x
    x = 26,324,597,010.96/163,042.80
  6. Step 6: Final answer
    x = 161,458.20

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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.