Home / 110,628.20-165,942.30-102,074.60

Finding the Fourth Proportional to 110,628.20, 165,942.30 and 102,074.60

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Solution

The fourth proportional to 110,628.20, 165,942.30 and 102,074.60 is: 153,111.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,628.20 : 165,942.30 = 102,074.60 : x
  2. Step 2: Convert to fraction form
    110,628.20/165,942.30 = 102,074.60/x
  3. Step 3: Cross multiply
    110,628.20x = 165,942.30 × 102,074.60
  4. Step 4: Simplify right side
    110,628.20x = 16,938,493,895.58
  5. Step 5: Solve for x
    x = 16,938,493,895.58/110,628.20
  6. Step 6: Final answer
    x = 153,111.90

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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.