Home / 147,195.30-203,134.42-82,675.89

Finding the Fourth Proportional to 147,195.30, 203,134.42 and 82,675.89

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Solution

The fourth proportional to 147,195.30, 203,134.42 and 82,675.89 is: 114,095.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,195.30 : 203,134.42 = 82,675.89 : x
  2. Step 2: Convert to fraction form
    147,195.30/203,134.42 = 82,675.89/x
  3. Step 3: Cross multiply
    147,195.30x = 203,134.42 × 82,675.89
  4. Step 4: Simplify right side
    147,195.30x = 16,794,318,963.13
  5. Step 5: Solve for x
    x = 16,794,318,963.13/147,195.30
  6. Step 6: Final answer
    x = 114,095.48

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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.