Home / 209,160.18-313,777.94-76,227.03

Finding the Fourth Proportional to 209,160.18, 313,777.94 and 76,227.03

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Solution

The fourth proportional to 209,160.18, 313,777.94 and 76,227.03 is: 114,354.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,160.18 : 313,777.94 = 76,227.03 : x
  2. Step 2: Convert to fraction form
    209,160.18/313,777.94 = 76,227.03/x
  3. Step 3: Cross multiply
    209,160.18x = 313,777.94 × 76,227.03
  4. Step 4: Simplify right side
    209,160.18x = 23,918,360,064.58
  5. Step 5: Solve for x
    x = 23,918,360,064.58/209,160.18
  6. Step 6: Final answer
    x = 114,354.27

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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.