Home / 159,120.18-238,789.62-102,936.15

Finding the Fourth Proportional to 159,120.18, 238,789.62 and 102,936.15

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Solution

The fourth proportional to 159,120.18, 238,789.62 and 102,936.15 is: 154,474.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,120.18 : 238,789.62 = 102,936.15 : x
  2. Step 2: Convert to fraction form
    159,120.18/238,789.62 = 102,936.15/x
  3. Step 3: Cross multiply
    159,120.18x = 238,789.62 × 102,936.15
  4. Step 4: Simplify right side
    159,120.18x = 24,580,084,142.76
  5. Step 5: Solve for x
    x = 24,580,084,142.76/159,120.18
  6. Step 6: Final answer
    x = 154,474.96

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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.