Home / 208,938.75-313,532.67-75,829.41

Finding the Fourth Proportional to 208,938.75, 313,532.67 and 75,829.41

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Solution

The fourth proportional to 208,938.75, 313,532.67 and 75,829.41 is: 113,789.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,938.75 : 313,532.67 = 75,829.41 : x
  2. Step 2: Convert to fraction form
    208,938.75/313,532.67 = 75,829.41/x
  3. Step 3: Cross multiply
    208,938.75x = 313,532.67 × 75,829.41
  4. Step 4: Simplify right side
    208,938.75x = 23,774,997,381.82
  5. Step 5: Solve for x
    x = 23,774,997,381.82/208,938.75
  6. Step 6: Final answer
    x = 113,789.32

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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.