Home / 213,136.39-294,126.62-117,643.06

Finding the Fourth Proportional to 213,136.39, 294,126.62 and 117,643.06

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Solution

The fourth proportional to 213,136.39, 294,126.62 and 117,643.06 is: 162,346.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,136.39 : 294,126.62 = 117,643.06 : x
  2. Step 2: Convert to fraction form
    213,136.39/294,126.62 = 117,643.06/x
  3. Step 3: Cross multiply
    213,136.39x = 294,126.62 × 117,643.06
  4. Step 4: Simplify right side
    213,136.39x = 34,601,955,604.26
  5. Step 5: Solve for x
    x = 34,601,955,604.26/213,136.39
  6. Step 6: Final answer
    x = 162,346.54

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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.