Home / 99,304.30-136,908.26-82,245.70

Finding the Fourth Proportional to 99,304.30, 136,908.26 and 82,245.70

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Solution

The fourth proportional to 99,304.30, 136,908.26 and 82,245.70 is: 113,390.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,304.30 : 136,908.26 = 82,245.70 : x
  2. Step 2: Convert to fraction form
    99,304.30/136,908.26 = 82,245.70/x
  3. Step 3: Cross multiply
    99,304.30x = 136,908.26 × 82,245.70
  4. Step 4: Simplify right side
    99,304.30x = 11,260,115,679.48
  5. Step 5: Solve for x
    x = 11,260,115,679.48/99,304.30
  6. Step 6: Final answer
    x = 113,390.01

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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.