Home / 110,739.40-166,109.10-110,083.30

Finding the Fourth Proportional to 110,739.40, 166,109.10 and 110,083.30

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Solution

The fourth proportional to 110,739.40, 166,109.10 and 110,083.30 is: 165,124.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,739.40 : 166,109.10 = 110,083.30 : x
  2. Step 2: Convert to fraction form
    110,739.40/166,109.10 = 110,083.30/x
  3. Step 3: Cross multiply
    110,739.40x = 166,109.10 × 110,083.30
  4. Step 4: Simplify right side
    110,739.40x = 18,285,837,888.03
  5. Step 5: Solve for x
    x = 18,285,837,888.03/110,739.40
  6. Step 6: Final answer
    x = 165,124.95

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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.