Home / 129,843.38-194,745.51-41,085.34

Finding the Fourth Proportional to 129,843.38, 194,745.51 and 41,085.34

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Solution

The fourth proportional to 129,843.38, 194,745.51 and 41,085.34 is: 61,621.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,843.38 : 194,745.51 = 41,085.34 : x
  2. Step 2: Convert to fraction form
    129,843.38/194,745.51 = 41,085.34/x
  3. Step 3: Cross multiply
    129,843.38x = 194,745.51 × 41,085.34
  4. Step 4: Simplify right side
    129,843.38x = 8,001,185,491.82
  5. Step 5: Solve for x
    x = 8,001,185,491.82/129,843.38
  6. Step 6: Final answer
    x = 61,621.82

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1.5x scale

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.