Home / 176,138.30-263,905.05-82,451.90

Finding the Fourth Proportional to 176,138.30, 263,905.05 and 82,451.90

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Solution

The fourth proportional to 176,138.30, 263,905.05 and 82,451.90 is: 123,536.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,138.30 : 263,905.05 = 82,451.90 : x
  2. Step 2: Convert to fraction form
    176,138.30/263,905.05 = 82,451.90/x
  3. Step 3: Cross multiply
    176,138.30x = 263,905.05 × 82,451.90
  4. Step 4: Simplify right side
    176,138.30x = 21,759,472,792.10
  5. Step 5: Solve for x
    x = 21,759,472,792.10/176,138.30
  6. Step 6: Final answer
    x = 123,536.29

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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.