Home / 307,783.20-461,616.48-108,056.64

Finding the Fourth Proportional to 307,783.20, 461,616.48 and 108,056.64

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Solution

The fourth proportional to 307,783.20, 461,616.48 and 108,056.64 is: 162,064.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,783.20 : 461,616.48 = 108,056.64 : x
  2. Step 2: Convert to fraction form
    307,783.20/461,616.48 = 108,056.64/x
  3. Step 3: Cross multiply
    307,783.20x = 461,616.48 × 108,056.64
  4. Step 4: Simplify right side
    307,783.20x = 49,880,725,797.43
  5. Step 5: Solve for x
    x = 49,880,725,797.43/307,783.20
  6. Step 6: Final answer
    x = 162,064.48

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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.