Home / 264,781.12-397,454.64-107,112.64

Finding the Fourth Proportional to 264,781.12, 397,454.64 and 107,112.64

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Solution

The fourth proportional to 264,781.12, 397,454.64 and 107,112.64 is: 160,783.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,781.12 : 397,454.64 = 107,112.64 : x
  2. Step 2: Convert to fraction form
    264,781.12/397,454.64 = 107,112.64/x
  3. Step 3: Cross multiply
    264,781.12x = 397,454.64 × 107,112.64
  4. Step 4: Simplify right side
    264,781.12x = 42,572,415,770.65
  5. Step 5: Solve for x
    x = 42,572,415,770.65/264,781.12
  6. Step 6: Final answer
    x = 160,783.43

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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.