Home / 194,043.11-290,718.38-105,239.97

Finding the Fourth Proportional to 194,043.11, 290,718.38 and 105,239.97

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Solution

The fourth proportional to 194,043.11, 290,718.38 and 105,239.97 is: 157,672.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,043.11 : 290,718.38 = 105,239.97 : x
  2. Step 2: Convert to fraction form
    194,043.11/290,718.38 = 105,239.97/x
  3. Step 3: Cross multiply
    194,043.11x = 290,718.38 × 105,239.97
  4. Step 4: Simplify right side
    194,043.11x = 30,595,193,063.45
  5. Step 5: Solve for x
    x = 30,595,193,063.45/194,043.11
  6. Step 6: Final answer
    x = 157,672.15

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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.