Home / 213,172.33-294,176.38-117,679.00

Finding the Fourth Proportional to 213,172.33, 294,176.38 and 117,679.00

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Solution

The fourth proportional to 213,172.33, 294,176.38 and 117,679.00 is: 162,396.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,172.33 : 294,176.38 = 117,679.00 : x
  2. Step 2: Convert to fraction form
    213,172.33/294,176.38 = 117,679.00/x
  3. Step 3: Cross multiply
    213,172.33x = 294,176.38 × 117,679.00
  4. Step 4: Simplify right side
    213,172.33x = 34,618,380,162.74
  5. Step 5: Solve for x
    x = 34,618,380,162.74/213,172.33
  6. Step 6: Final answer
    x = 162,396.22

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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.