Home / 104,027.22-143,704.53-82,779.30

Finding the Fourth Proportional to 104,027.22, 143,704.53 and 82,779.30

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Solution

The fourth proportional to 104,027.22, 143,704.53 and 82,779.30 is: 114,352.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,027.22 : 143,704.53 = 82,779.30 : x
  2. Step 2: Convert to fraction form
    104,027.22/143,704.53 = 82,779.30/x
  3. Step 3: Cross multiply
    104,027.22x = 143,704.53 × 82,779.30
  4. Step 4: Simplify right side
    104,027.22x = 11,895,760,400.23
  5. Step 5: Solve for x
    x = 11,895,760,400.23/104,027.22
  6. Step 6: Final answer
    x = 114,352.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.