Home / 320,732.32-481,061.49-84,093.79

Finding the Fourth Proportional to 320,732.32, 481,061.49 and 84,093.79

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Solution

The fourth proportional to 320,732.32, 481,061.49 and 84,093.79 is: 126,130.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,732.32 : 481,061.49 = 84,093.79 : x
  2. Step 2: Convert to fraction form
    320,732.32/481,061.49 = 84,093.79/x
  3. Step 3: Cross multiply
    320,732.32x = 481,061.49 × 84,093.79
  4. Step 4: Simplify right side
    320,732.32x = 40,454,283,917.15
  5. Step 5: Solve for x
    x = 40,454,283,917.15/320,732.32
  6. Step 6: Final answer
    x = 126,130.99

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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.