Home / 208,741.88-313,163.82-66,587.18

Finding the Fourth Proportional to 208,741.88, 313,163.82 and 66,587.18

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Solution

The fourth proportional to 208,741.88, 313,163.82 and 66,587.18 is: 99,897.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,741.88 : 313,163.82 = 66,587.18 : x
  2. Step 2: Convert to fraction form
    208,741.88/313,163.82 = 66,587.18/x
  3. Step 3: Cross multiply
    208,741.88x = 313,163.82 × 66,587.18
  4. Step 4: Simplify right side
    208,741.88x = 20,852,694,086.01
  5. Step 5: Solve for x
    x = 20,852,694,086.01/208,741.88
  6. Step 6: Final answer
    x = 99,897.03

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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.