Home / 145,170.24-217,738.89-50,382.96

Finding the Fourth Proportional to 145,170.24, 217,738.89 and 50,382.96

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Solution

The fourth proportional to 145,170.24, 217,738.89 and 50,382.96 is: 75,568.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,170.24 : 217,738.89 = 50,382.96 : x
  2. Step 2: Convert to fraction form
    145,170.24/217,738.89 = 50,382.96/x
  3. Step 3: Cross multiply
    145,170.24x = 217,738.89 × 50,382.96
  4. Step 4: Simplify right side
    145,170.24x = 10,970,329,785.31
  5. Step 5: Solve for x
    x = 10,970,329,785.31/145,170.24
  6. Step 6: Final answer
    x = 75,568.72

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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.