Home / 129,455.56-194,183.28-35,961.28

Finding the Fourth Proportional to 129,455.56, 194,183.28 and 35,961.28

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Solution

The fourth proportional to 129,455.56, 194,183.28 and 35,961.28 is: 53,941.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,455.56 : 194,183.28 = 35,961.28 : x
  2. Step 2: Convert to fraction form
    129,455.56/194,183.28 = 35,961.28/x
  3. Step 3: Cross multiply
    129,455.56x = 194,183.28 × 35,961.28
  4. Step 4: Simplify right side
    129,455.56x = 6,983,079,303.40
  5. Step 5: Solve for x
    x = 6,983,079,303.40/129,455.56
  6. Step 6: Final answer
    x = 53,941.90

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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.