Home / 361,311.18-541,971.30-171,789.36

Finding the Fourth Proportional to 361,311.18, 541,971.30 and 171,789.36

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Solution

The fourth proportional to 361,311.18, 541,971.30 and 171,789.36 is: 257,686.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,311.18 : 541,971.30 = 171,789.36 : x
  2. Step 2: Convert to fraction form
    361,311.18/541,971.30 = 171,789.36/x
  3. Step 3: Cross multiply
    361,311.18x = 541,971.30 × 171,789.36
  4. Step 4: Simplify right side
    361,311.18x = 93,104,902,765.37
  5. Step 5: Solve for x
    x = 93,104,902,765.37/361,311.18
  6. Step 6: Final answer
    x = 257,686.19

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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.