Home / 208,260.75-312,403.23-58,512.72

Finding the Fourth Proportional to 208,260.75, 312,403.23 and 58,512.72

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Solution

The fourth proportional to 208,260.75, 312,403.23 and 58,512.72 is: 87,772.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,260.75 : 312,403.23 = 58,512.72 : x
  2. Step 2: Convert to fraction form
    208,260.75/312,403.23 = 58,512.72/x
  3. Step 3: Cross multiply
    208,260.75x = 312,403.23 × 58,512.72
  4. Step 4: Simplify right side
    208,260.75x = 18,279,562,724.09
  5. Step 5: Solve for x
    x = 18,279,562,724.09/208,260.75
  6. Step 6: Final answer
    x = 87,772.48

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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.