Home / 213,115.18-294,087.45-132,540.43

Finding the Fourth Proportional to 213,115.18, 294,087.45 and 132,540.43

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Solution

The fourth proportional to 213,115.18, 294,087.45 and 132,540.43 is: 182,898.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,115.18 : 294,087.45 = 132,540.43 : x
  2. Step 2: Convert to fraction form
    213,115.18/294,087.45 = 132,540.43/x
  3. Step 3: Cross multiply
    213,115.18x = 294,087.45 × 132,540.43
  4. Step 4: Simplify right side
    213,115.18x = 38,978,477,080.60
  5. Step 5: Solve for x
    x = 38,978,477,080.60/213,115.18
  6. Step 6: Final answer
    x = 182,898.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.