Home / 213,780.57-295,012.64-116,984.04

Finding the Fourth Proportional to 213,780.57, 295,012.64 and 116,984.04

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Solution

The fourth proportional to 213,780.57, 295,012.64 and 116,984.04 is: 161,435.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,780.57 : 295,012.64 = 116,984.04 : x
  2. Step 2: Convert to fraction form
    213,780.57/295,012.64 = 116,984.04/x
  3. Step 3: Cross multiply
    213,780.57x = 295,012.64 × 116,984.04
  4. Step 4: Simplify right side
    213,780.57x = 34,511,769,282.97
  5. Step 5: Solve for x
    x = 34,511,769,282.97/213,780.57
  6. Step 6: Final answer
    x = 161,435.48

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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.