Home / 159,943.41-239,411.97-109,729.89

Finding the Fourth Proportional to 159,943.41, 239,411.97 and 109,729.89

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Solution

The fourth proportional to 159,943.41, 239,411.97 and 109,729.89 is: 164,249.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,943.41 : 239,411.97 = 109,729.89 : x
  2. Step 2: Convert to fraction form
    159,943.41/239,411.97 = 109,729.89/x
  3. Step 3: Cross multiply
    159,943.41x = 239,411.97 × 109,729.89
  4. Step 4: Simplify right side
    159,943.41x = 26,270,649,132.78
  5. Step 5: Solve for x
    x = 26,270,649,132.78/159,943.41
  6. Step 6: Final answer
    x = 164,249.65

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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.