Home / 293,109.20-439,716.44-103,679.36

Finding the Fourth Proportional to 293,109.20, 439,716.44 and 103,679.36

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Solution

The fourth proportional to 293,109.20, 439,716.44 and 103,679.36 is: 155,537.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,109.20 : 439,716.44 = 103,679.36 : x
  2. Step 2: Convert to fraction form
    293,109.20/439,716.44 = 103,679.36/x
  3. Step 3: Cross multiply
    293,109.20x = 439,716.44 × 103,679.36
  4. Step 4: Simplify right side
    293,109.20x = 45,589,517,141.29
  5. Step 5: Solve for x
    x = 45,589,517,141.29/293,109.20
  6. Step 6: Final answer
    x = 155,537.66

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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.