Home / 129,996.30-179,478.27-106,180.14

Finding the Fourth Proportional to 129,996.30, 179,478.27 and 106,180.14

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Solution

The fourth proportional to 129,996.30, 179,478.27 and 106,180.14 is: 146,596.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,996.30 : 179,478.27 = 106,180.14 : x
  2. Step 2: Convert to fraction form
    129,996.30/179,478.27 = 106,180.14/x
  3. Step 3: Cross multiply
    129,996.30x = 179,478.27 × 106,180.14
  4. Step 4: Simplify right side
    129,996.30x = 19,057,027,835.56
  5. Step 5: Solve for x
    x = 19,057,027,835.56/129,996.30
  6. Step 6: Final answer
    x = 146,596.69

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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.