Home / 110,323.12-165,567.84-80,816.44

Finding the Fourth Proportional to 110,323.12, 165,567.84 and 80,816.44

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Solution

The fourth proportional to 110,323.12, 165,567.84 and 80,816.44 is: 121,285.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,323.12 : 165,567.84 = 80,816.44 : x
  2. Step 2: Convert to fraction form
    110,323.12/165,567.84 = 80,816.44/x
  3. Step 3: Cross multiply
    110,323.12x = 165,567.84 × 80,816.44
  4. Step 4: Simplify right side
    110,323.12x = 13,380,603,407.29
  5. Step 5: Solve for x
    x = 13,380,603,407.29/110,323.12
  6. Step 6: Final answer
    x = 121,285.58

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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.