Home / 180,822.76-271,197.07-68,464.21

Finding the Fourth Proportional to 180,822.76, 271,197.07 and 68,464.21

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Solution

The fourth proportional to 180,822.76, 271,197.07 and 68,464.21 is: 102,682.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,822.76 : 271,197.07 = 68,464.21 : x
  2. Step 2: Convert to fraction form
    180,822.76/271,197.07 = 68,464.21/x
  3. Step 3: Cross multiply
    180,822.76x = 271,197.07 × 68,464.21
  4. Step 4: Simplify right side
    180,822.76x = 18,567,293,151.86
  5. Step 5: Solve for x
    x = 18,567,293,151.86/180,822.76
  6. Step 6: Final answer
    x = 102,682.28

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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.