Home / 213,147.26-294,145.66-117,654.02

Finding the Fourth Proportional to 213,147.26, 294,145.66 and 117,654.02

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Solution

The fourth proportional to 213,147.26, 294,145.66 and 117,654.02 is: 162,363.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,147.26 : 294,145.66 = 117,654.02 : x
  2. Step 2: Convert to fraction form
    213,147.26/294,145.66 = 117,654.02/x
  3. Step 3: Cross multiply
    213,147.26x = 294,145.66 × 117,654.02
  4. Step 4: Simplify right side
    213,147.26x = 34,607,419,364.55
  5. Step 5: Solve for x
    x = 34,607,419,364.55/213,147.26
  6. Step 6: Final answer
    x = 162,363.90

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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.