Home / 279,384.96-386,003.04-194,879.52

Finding the Fourth Proportional to 279,384.96, 386,003.04 and 194,879.52

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Solution

The fourth proportional to 279,384.96, 386,003.04 and 194,879.52 is: 269,248.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,384.96 : 386,003.04 = 194,879.52 : x
  2. Step 2: Convert to fraction form
    279,384.96/386,003.04 = 194,879.52/x
  3. Step 3: Cross multiply
    279,384.96x = 386,003.04 × 194,879.52
  4. Step 4: Simplify right side
    279,384.96x = 75,224,087,153.74
  5. Step 5: Solve for x
    x = 75,224,087,153.74/279,384.96
  6. Step 6: Final answer
    x = 269,248.88

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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.