Home / 394,043.03-590,853.13-124,120.75

Finding the Fourth Proportional to 394,043.03, 590,853.13 and 124,120.75

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Solution

The fourth proportional to 394,043.03, 590,853.13 and 124,120.75 is: 186,114.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,043.03 : 590,853.13 = 124,120.75 : x
  2. Step 2: Convert to fraction form
    394,043.03/590,853.13 = 124,120.75/x
  3. Step 3: Cross multiply
    394,043.03x = 590,853.13 × 124,120.75
  4. Step 4: Simplify right side
    394,043.03x = 73,337,134,802.28
  5. Step 5: Solve for x
    x = 73,337,134,802.28/394,043.03
  6. Step 6: Final answer
    x = 186,114.54

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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.