Home / 264,789.12-397,466.64-107,120.64

Finding the Fourth Proportional to 264,789.12, 397,466.64 and 107,120.64

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Solution

The fourth proportional to 264,789.12, 397,466.64 and 107,120.64 is: 160,795.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,789.12 : 397,466.64 = 107,120.64 : x
  2. Step 2: Convert to fraction form
    264,789.12/397,466.64 = 107,120.64/x
  3. Step 3: Cross multiply
    264,789.12x = 397,466.64 × 107,120.64
  4. Step 4: Simplify right side
    264,789.12x = 42,576,880,855.45
  5. Step 5: Solve for x
    x = 42,576,880,855.45/264,789.12
  6. Step 6: Final answer
    x = 160,795.43

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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.