Home / 311,023.65-466,609.50-100,661.58

Finding the Fourth Proportional to 311,023.65, 466,609.50 and 100,661.58

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Solution

The fourth proportional to 311,023.65, 466,609.50 and 100,661.58 is: 151,016.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,023.65 : 466,609.50 = 100,661.58 : x
  2. Step 2: Convert to fraction form
    311,023.65/466,609.50 = 100,661.58/x
  3. Step 3: Cross multiply
    311,023.65x = 466,609.50 × 100,661.58
  4. Step 4: Simplify right side
    311,023.65x = 46,969,649,513.01
  5. Step 5: Solve for x
    x = 46,969,649,513.01/311,023.65
  6. Step 6: Final answer
    x = 151,016.33

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1.5x scale

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.