Home / 313,321.20-432,383.80-170,081.34

Finding the Fourth Proportional to 313,321.20, 432,383.80 and 170,081.34

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Solution

The fourth proportional to 313,321.20, 432,383.80 and 170,081.34 is: 234,712.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,321.20 : 432,383.80 = 170,081.34 : x
  2. Step 2: Convert to fraction form
    313,321.20/432,383.80 = 170,081.34/x
  3. Step 3: Cross multiply
    313,321.20x = 432,383.80 × 170,081.34
  4. Step 4: Simplify right side
    313,321.20x = 73,540,416,098.29
  5. Step 5: Solve for x
    x = 73,540,416,098.29/313,321.20
  6. Step 6: Final answer
    x = 234,712.54

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