Home / 311,023.15-466,608.75-100,661.08

Finding the Fourth Proportional to 311,023.15, 466,608.75 and 100,661.08

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Solution

The fourth proportional to 311,023.15, 466,608.75 and 100,661.08 is: 151,015.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,023.15 : 466,608.75 = 100,661.08 : x
  2. Step 2: Convert to fraction form
    311,023.15/466,608.75 = 100,661.08/x
  3. Step 3: Cross multiply
    311,023.15x = 466,608.75 × 100,661.08
  4. Step 4: Simplify right side
    311,023.15x = 46,969,340,712.45
  5. Step 5: Solve for x
    x = 46,969,340,712.45/311,023.15
  6. Step 6: Final answer
    x = 151,015.58

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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.