Home / 202,653.38-303,986.24-69,531.76

Finding the Fourth Proportional to 202,653.38, 303,986.24 and 69,531.76

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Solution

The fourth proportional to 202,653.38, 303,986.24 and 69,531.76 is: 104,299.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,653.38 : 303,986.24 = 69,531.76 : x
  2. Step 2: Convert to fraction form
    202,653.38/303,986.24 = 69,531.76/x
  3. Step 3: Cross multiply
    202,653.38x = 303,986.24 × 69,531.76
  4. Step 4: Simplify right side
    202,653.38x = 21,136,698,282.98
  5. Step 5: Solve for x
    x = 21,136,698,282.98/202,653.38
  6. Step 6: Final answer
    x = 104,299.76

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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.