Home / 339,954.22-469,145.66-186,996.35

Finding the Fourth Proportional to 339,954.22, 469,145.66 and 186,996.35

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Solution

The fourth proportional to 339,954.22, 469,145.66 and 186,996.35 is: 258,059.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,954.22 : 469,145.66 = 186,996.35 : x
  2. Step 2: Convert to fraction form
    339,954.22/469,145.66 = 186,996.35/x
  3. Step 3: Cross multiply
    339,954.22x = 469,145.66 × 186,996.35
  4. Step 4: Simplify right side
    339,954.22x = 87,728,526,038.34
  5. Step 5: Solve for x
    x = 87,728,526,038.34/339,954.22
  6. Step 6: Final answer
    x = 258,059.82

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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.