Home / 275,360.43-379,289.34-194,649.15

Finding the Fourth Proportional to 275,360.43, 379,289.34 and 194,649.15

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Solution

The fourth proportional to 275,360.43, 379,289.34 and 194,649.15 is: 268,115.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,360.43 : 379,289.34 = 194,649.15 : x
  2. Step 2: Convert to fraction form
    275,360.43/379,289.34 = 194,649.15/x
  3. Step 3: Cross multiply
    275,360.43x = 379,289.34 × 194,649.15
  4. Step 4: Simplify right side
    275,360.43x = 73,828,347,635.06
  5. Step 5: Solve for x
    x = 73,828,347,635.06/275,360.43
  6. Step 6: Final answer
    x = 268,115.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.