Home / 132,779.42-199,228-69,584.52

Finding the Fourth Proportional to 132,779.42, 199,228 and 69,584.52

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Solution

The fourth proportional to 132,779.42, 199,228 and 69,584.52 is: 104,407.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,779.42 : 199,228 = 69,584.52 : x
  2. Step 2: Convert to fraction form
    132,779.42/199,228 = 69,584.52/x
  3. Step 3: Cross multiply
    132,779.42x = 199,228 × 69,584.52
  4. Step 4: Simplify right side
    132,779.42x = 13,863,184,750.56
  5. Step 5: Solve for x
    x = 13,863,184,750.56/132,779.42
  6. Step 6: Final answer
    x = 104,407.63

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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.