Home / 293,112.20-439,720.94-103,682.36

Finding the Fourth Proportional to 293,112.20, 439,720.94 and 103,682.36

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Solution

The fourth proportional to 293,112.20, 439,720.94 and 103,682.36 is: 155,542.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,112.20 : 439,720.94 = 103,682.36 : x
  2. Step 2: Convert to fraction form
    293,112.20/439,720.94 = 103,682.36/x
  3. Step 3: Cross multiply
    293,112.20x = 439,720.94 × 103,682.36
  4. Step 4: Simplify right side
    293,112.20x = 45,591,304,800.62
  5. Step 5: Solve for x
    x = 45,591,304,800.62/293,112.20
  6. Step 6: Final answer
    x = 155,542.16

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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.