Home / 307,739.82-461,811.54-108,055.05

Finding the Fourth Proportional to 307,739.82, 461,811.54 and 108,055.05

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Solution

The fourth proportional to 307,739.82, 461,811.54 and 108,055.05 is: 162,153.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,739.82 : 461,811.54 = 108,055.05 : x
  2. Step 2: Convert to fraction form
    307,739.82/461,811.54 = 108,055.05/x
  3. Step 3: Cross multiply
    307,739.82x = 461,811.54 × 108,055.05
  4. Step 4: Simplify right side
    307,739.82x = 49,901,069,045.28
  5. Step 5: Solve for x
    x = 49,901,069,045.28/307,739.82
  6. Step 6: Final answer
    x = 162,153.44

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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.