Home / 208,092.86-312,131.99-58,331.96

Finding the Fourth Proportional to 208,092.86, 312,131.99 and 58,331.96

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Solution

The fourth proportional to 208,092.86, 312,131.99 and 58,331.96 is: 87,495.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,092.86 : 312,131.99 = 58,331.96 : x
  2. Step 2: Convert to fraction form
    208,092.86/312,131.99 = 58,331.96/x
  3. Step 3: Cross multiply
    208,092.86x = 312,131.99 × 58,331.96
  4. Step 4: Simplify right side
    208,092.86x = 18,207,269,340.57
  5. Step 5: Solve for x
    x = 18,207,269,340.57/208,092.86
  6. Step 6: Final answer
    x = 87,495.89

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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.