Home / 205,589.85-307,626.46-124,583.52

Finding the Fourth Proportional to 205,589.85, 307,626.46 and 124,583.52

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Solution

The fourth proportional to 205,589.85, 307,626.46 and 124,583.52 is: 186,415.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,589.85 : 307,626.46 = 124,583.52 : x
  2. Step 2: Convert to fraction form
    205,589.85/307,626.46 = 124,583.52/x
  3. Step 3: Cross multiply
    205,589.85x = 307,626.46 × 124,583.52
  4. Step 4: Simplify right side
    205,589.85x = 38,325,186,343.68
  5. Step 5: Solve for x
    x = 38,325,186,343.68/205,589.85
  6. Step 6: Final answer
    x = 186,415.75

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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.