Home / 159,921.72-239,883.70-109,850.06

Finding the Fourth Proportional to 159,921.72, 239,883.70 and 109,850.06

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Solution

The fourth proportional to 159,921.72, 239,883.70 and 109,850.06 is: 164,775.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,921.72 : 239,883.70 = 109,850.06 : x
  2. Step 2: Convert to fraction form
    159,921.72/239,883.70 = 109,850.06/x
  3. Step 3: Cross multiply
    159,921.72x = 239,883.70 × 109,850.06
  4. Step 4: Simplify right side
    159,921.72x = 26,351,237,089.35
  5. Step 5: Solve for x
    x = 26,351,237,089.35/159,921.72
  6. Step 6: Final answer
    x = 164,775.85

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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.