Home / 206,315.42-284,453.64-147,449.24

Finding the Fourth Proportional to 206,315.42, 284,453.64 and 147,449.24

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Solution

The fourth proportional to 206,315.42, 284,453.64 and 147,449.24 is: 203,292.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,315.42 : 284,453.64 = 147,449.24 : x
  2. Step 2: Convert to fraction form
    206,315.42/284,453.64 = 147,449.24/x
  3. Step 3: Cross multiply
    206,315.42x = 284,453.64 × 147,449.24
  4. Step 4: Simplify right side
    206,315.42x = 41,942,473,033.23
  5. Step 5: Solve for x
    x = 41,942,473,033.23/206,315.42
  6. Step 6: Final answer
    x = 203,292.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.