Home / 320,682.26-481,038.89-84,025.17

Finding the Fourth Proportional to 320,682.26, 481,038.89 and 84,025.17

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Solution

The fourth proportional to 320,682.26, 481,038.89 and 84,025.17 is: 126,041.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,682.26 : 481,038.89 = 84,025.17 : x
  2. Step 2: Convert to fraction form
    320,682.26/481,038.89 = 84,025.17/x
  3. Step 3: Cross multiply
    320,682.26x = 481,038.89 × 84,025.17
  4. Step 4: Simplify right side
    320,682.26x = 40,419,374,088.74
  5. Step 5: Solve for x
    x = 40,419,374,088.74/320,682.26
  6. Step 6: Final answer
    x = 126,041.81

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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.