Home / 132,860.86-199,406.44-69,725.60

Finding the Fourth Proportional to 132,860.86, 199,406.44 and 69,725.60

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Solution

The fourth proportional to 132,860.86, 199,406.44 and 69,725.60 is: 104,648.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,860.86 : 199,406.44 = 69,725.60 : x
  2. Step 2: Convert to fraction form
    132,860.86/199,406.44 = 69,725.60/x
  3. Step 3: Cross multiply
    132,860.86x = 199,406.44 × 69,725.60
  4. Step 4: Simplify right side
    132,860.86x = 13,903,733,672.86
  5. Step 5: Solve for x
    x = 13,903,733,672.86/132,860.86
  6. Step 6: Final answer
    x = 104,648.83

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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.