Home / 133,076.10-199,286.10-88,461.30

Finding the Fourth Proportional to 133,076.10, 199,286.10 and 88,461.30

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Solution

The fourth proportional to 133,076.10, 199,286.10 and 88,461.30 is: 132,473.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,076.10 : 199,286.10 = 88,461.30 : x
  2. Step 2: Convert to fraction form
    133,076.10/199,286.10 = 88,461.30/x
  3. Step 3: Cross multiply
    133,076.10x = 199,286.10 × 88,461.30
  4. Step 4: Simplify right side
    133,076.10x = 17,629,107,477.93
  5. Step 5: Solve for x
    x = 17,629,107,477.93/133,076.10
  6. Step 6: Final answer
    x = 132,473.88

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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.