Home / 264,869.46-397,295.34-115,109.76

Finding the Fourth Proportional to 264,869.46, 397,295.34 and 115,109.76

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Solution

The fourth proportional to 264,869.46, 397,295.34 and 115,109.76 is: 172,660.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,869.46 : 397,295.34 = 115,109.76 : x
  2. Step 2: Convert to fraction form
    264,869.46/397,295.34 = 115,109.76/x
  3. Step 3: Cross multiply
    264,869.46x = 397,295.34 × 115,109.76
  4. Step 4: Simplify right side
    264,869.46x = 45,732,571,236.52
  5. Step 5: Solve for x
    x = 45,732,571,236.52/264,869.46
  6. Step 6: Final answer
    x = 172,660.79

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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.