Home / 110,630.20-165,945.30-102,076.60

Finding the Fourth Proportional to 110,630.20, 165,945.30 and 102,076.60

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Solution

The fourth proportional to 110,630.20, 165,945.30 and 102,076.60 is: 153,114.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,630.20 : 165,945.30 = 102,076.60 : x
  2. Step 2: Convert to fraction form
    110,630.20/165,945.30 = 102,076.60/x
  3. Step 3: Cross multiply
    110,630.20x = 165,945.30 × 102,076.60
  4. Step 4: Simplify right side
    110,630.20x = 16,939,132,009.98
  5. Step 5: Solve for x
    x = 16,939,132,009.98/110,630.20
  6. Step 6: Final answer
    x = 153,114.90

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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.