Home / 264,868.39-397,293.78-115,108.83

Finding the Fourth Proportional to 264,868.39, 397,293.78 and 115,108.83

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Solution

The fourth proportional to 264,868.39, 397,293.78 and 115,108.83 is: 172,659.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,868.39 : 397,293.78 = 115,108.83 : x
  2. Step 2: Convert to fraction form
    264,868.39/397,293.78 = 115,108.83/x
  3. Step 3: Cross multiply
    264,868.39x = 397,293.78 × 115,108.83
  4. Step 4: Simplify right side
    264,868.39x = 45,732,022,182.08
  5. Step 5: Solve for x
    x = 45,732,022,182.08/264,868.39
  6. Step 6: Final answer
    x = 172,659.42

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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.