Home / 143,452.41-215,170.81-43,604.82

Finding the Fourth Proportional to 143,452.41, 215,170.81 and 43,604.82

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Solution

The fourth proportional to 143,452.41, 215,170.81 and 43,604.82 is: 65,404.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,452.41 : 215,170.81 = 43,604.82 : x
  2. Step 2: Convert to fraction form
    143,452.41/215,170.81 = 43,604.82/x
  3. Step 3: Cross multiply
    143,452.41x = 215,170.81 × 43,604.82
  4. Step 4: Simplify right side
    143,452.41x = 9,382,484,439.30
  5. Step 5: Solve for x
    x = 9,382,484,439.30/143,452.41
  6. Step 6: Final answer
    x = 65,404.86

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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.