Home / 201,723.15-302,497.20-68,567.64

Finding the Fourth Proportional to 201,723.15, 302,497.20 and 68,567.64

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Solution

The fourth proportional to 201,723.15, 302,497.20 and 68,567.64 is: 102,821.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,723.15 : 302,497.20 = 68,567.64 : x
  2. Step 2: Convert to fraction form
    201,723.15/302,497.20 = 68,567.64/x
  3. Step 3: Cross multiply
    201,723.15x = 302,497.20 × 68,567.64
  4. Step 4: Simplify right side
    201,723.15x = 20,741,519,110.61
  5. Step 5: Solve for x
    x = 20,741,519,110.61/201,723.15
  6. Step 6: Final answer
    x = 102,821.71

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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.