Home / 225,841.11-338,654.35-131,100.34

Finding the Fourth Proportional to 225,841.11, 338,654.35 and 131,100.34

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Solution

The fourth proportional to 225,841.11, 338,654.35 and 131,100.34 is: 196,588.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,841.11 : 338,654.35 = 131,100.34 : x
  2. Step 2: Convert to fraction form
    225,841.11/338,654.35 = 131,100.34/x
  3. Step 3: Cross multiply
    225,841.11x = 338,654.35 × 131,100.34
  4. Step 4: Simplify right side
    225,841.11x = 44,397,700,427.48
  5. Step 5: Solve for x
    x = 44,397,700,427.48/225,841.11
  6. Step 6: Final answer
    x = 196,588.21

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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.