Home / 208,960.26-313,430.66-51,180.36

Finding the Fourth Proportional to 208,960.26, 313,430.66 and 51,180.36

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Solution

The fourth proportional to 208,960.26, 313,430.66 and 51,180.36 is: 76,768.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,960.26 : 313,430.66 = 51,180.36 : x
  2. Step 2: Convert to fraction form
    208,960.26/313,430.66 = 51,180.36/x
  3. Step 3: Cross multiply
    208,960.26x = 313,430.66 × 51,180.36
  4. Step 4: Simplify right side
    208,960.26x = 16,041,494,013.84
  5. Step 5: Solve for x
    x = 16,041,494,013.84/208,960.26
  6. Step 6: Final answer
    x = 76,768.16

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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.