Home / 132,942.21-199,191.24-93,428.57

Finding the Fourth Proportional to 132,942.21, 199,191.24 and 93,428.57

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Solution

The fourth proportional to 132,942.21, 199,191.24 and 93,428.57 is: 139,986.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,942.21 : 199,191.24 = 93,428.57 : x
  2. Step 2: Convert to fraction form
    132,942.21/199,191.24 = 93,428.57/x
  3. Step 3: Cross multiply
    132,942.21x = 199,191.24 × 93,428.57
  4. Step 4: Simplify right side
    132,942.21x = 18,610,151,713.77
  5. Step 5: Solve for x
    x = 18,610,151,713.77/132,942.21
  6. Step 6: Final answer
    x = 139,986.78

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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.