Home / 214,985.31-322,516.77-88,556.55

Finding the Fourth Proportional to 214,985.31, 322,516.77 and 88,556.55

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Solution

The fourth proportional to 214,985.31, 322,516.77 and 88,556.55 is: 132,850.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,985.31 : 322,516.77 = 88,556.55 : x
  2. Step 2: Convert to fraction form
    214,985.31/322,516.77 = 88,556.55/x
  3. Step 3: Cross multiply
    214,985.31x = 322,516.77 × 88,556.55
  4. Step 4: Simplify right side
    214,985.31x = 28,560,972,468.34
  5. Step 5: Solve for x
    x = 28,560,972,468.34/214,985.31
  6. Step 6: Final answer
    x = 132,850.81

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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.