Home / 208,868.91-313,309.44-51,097.31

Finding the Fourth Proportional to 208,868.91, 313,309.44 and 51,097.31

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Solution

The fourth proportional to 208,868.91, 313,309.44 and 51,097.31 is: 76,647.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,868.91 : 313,309.44 = 51,097.31 : x
  2. Step 2: Convert to fraction form
    208,868.91/313,309.44 = 51,097.31/x
  3. Step 3: Cross multiply
    208,868.91x = 313,309.44 × 51,097.31
  4. Step 4: Simplify right side
    208,868.91x = 16,009,270,364.88
  5. Step 5: Solve for x
    x = 16,009,270,364.88/208,868.91
  6. Step 6: Final answer
    x = 76,647.45

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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.