Home / 148,372.83-204,754.64-81,304.83

Finding the Fourth Proportional to 148,372.83, 204,754.64 and 81,304.83

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Solution

The fourth proportional to 148,372.83, 204,754.64 and 81,304.83 is: 112,200.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,372.83 : 204,754.64 = 81,304.83 : x
  2. Step 2: Convert to fraction form
    148,372.83/204,754.64 = 81,304.83/x
  3. Step 3: Cross multiply
    148,372.83x = 204,754.64 × 81,304.83
  4. Step 4: Simplify right side
    148,372.83x = 16,647,540,790.39
  5. Step 5: Solve for x
    x = 16,647,540,790.39/148,372.83
  6. Step 6: Final answer
    x = 112,200.74

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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.