Home / 323,823.60-485,079.30-183,418.20

Finding the Fourth Proportional to 323,823.60, 485,079.30 and 183,418.20

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Solution

The fourth proportional to 323,823.60, 485,079.30 and 183,418.20 is: 274,755.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,823.60 : 485,079.30 = 183,418.20 : x
  2. Step 2: Convert to fraction form
    323,823.60/485,079.30 = 183,418.20/x
  3. Step 3: Cross multiply
    323,823.60x = 485,079.30 × 183,418.20
  4. Step 4: Simplify right side
    323,823.60x = 88,972,372,063.26
  5. Step 5: Solve for x
    x = 88,972,372,063.26/323,823.60
  6. Step 6: Final answer
    x = 274,755.68

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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.