Home / 191,516.91-264,295.17-106,635.79

Finding the Fourth Proportional to 191,516.91, 264,295.17 and 106,635.79

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Solution

The fourth proportional to 191,516.91, 264,295.17 and 106,635.79 is: 147,158.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,516.91 : 264,295.17 = 106,635.79 : x
  2. Step 2: Convert to fraction form
    191,516.91/264,295.17 = 106,635.79/x
  3. Step 3: Cross multiply
    191,516.91x = 264,295.17 × 106,635.79
  4. Step 4: Simplify right side
    191,516.91x = 28,183,324,576.50
  5. Step 5: Solve for x
    x = 28,183,324,576.50/191,516.91
  6. Step 6: Final answer
    x = 147,158.42

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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.