Home / 132,166.12-182,389.44-71,736.78

Finding the Fourth Proportional to 132,166.12, 182,389.44 and 71,736.78

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Solution

The fourth proportional to 132,166.12, 182,389.44 and 71,736.78 is: 98,996.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,166.12 : 182,389.44 = 71,736.78 : x
  2. Step 2: Convert to fraction form
    132,166.12/182,389.44 = 71,736.78/x
  3. Step 3: Cross multiply
    132,166.12x = 182,389.44 × 71,736.78
  4. Step 4: Simplify right side
    132,166.12x = 13,084,030,786.57
  5. Step 5: Solve for x
    x = 13,084,030,786.57/132,166.12
  6. Step 6: Final answer
    x = 98,996.86

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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.