Home / 159,811.26-239,716.89-54,631.14

Finding the Fourth Proportional to 159,811.26, 239,716.89 and 54,631.14

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Solution

The fourth proportional to 159,811.26, 239,716.89 and 54,631.14 is: 81,946.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,811.26 : 239,716.89 = 54,631.14 : x
  2. Step 2: Convert to fraction form
    159,811.26/239,716.89 = 54,631.14/x
  3. Step 3: Cross multiply
    159,811.26x = 239,716.89 × 54,631.14
  4. Step 4: Simplify right side
    159,811.26x = 13,096,006,977.95
  5. Step 5: Solve for x
    x = 13,096,006,977.95/159,811.26
  6. Step 6: Final answer
    x = 81,946.71

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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.