Home / 129,982.88-194,974.32-46,876.88

Finding the Fourth Proportional to 129,982.88, 194,974.32 and 46,876.88

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Solution

The fourth proportional to 129,982.88, 194,974.32 and 46,876.88 is: 70,315.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,982.88 : 194,974.32 = 46,876.88 : x
  2. Step 2: Convert to fraction form
    129,982.88/194,974.32 = 46,876.88/x
  3. Step 3: Cross multiply
    129,982.88x = 194,974.32 × 46,876.88
  4. Step 4: Simplify right side
    129,982.88x = 9,139,787,801.72
  5. Step 5: Solve for x
    x = 9,139,787,801.72/129,982.88
  6. Step 6: Final answer
    x = 70,315.32

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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.