Home / 129,401.64-194,037.66-40,653.96

Finding the Fourth Proportional to 129,401.64, 194,037.66 and 40,653.96

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Solution

The fourth proportional to 129,401.64, 194,037.66 and 40,653.96 is: 60,960.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,401.64 : 194,037.66 = 40,653.96 : x
  2. Step 2: Convert to fraction form
    129,401.64/194,037.66 = 40,653.96/x
  3. Step 3: Cross multiply
    129,401.64x = 194,037.66 × 40,653.96
  4. Step 4: Simplify right side
    129,401.64x = 7,888,399,268.13
  5. Step 5: Solve for x
    x = 7,888,399,268.13/129,401.64
  6. Step 6: Final answer
    x = 60,960.58

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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.