Home / 213,516.20-294,652.42-116,720.47

Finding the Fourth Proportional to 213,516.20, 294,652.42 and 116,720.47

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Solution

The fourth proportional to 213,516.20, 294,652.42 and 116,720.47 is: 161,074.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,516.20 : 294,652.42 = 116,720.47 : x
  2. Step 2: Convert to fraction form
    213,516.20/294,652.42 = 116,720.47/x
  3. Step 3: Cross multiply
    213,516.20x = 294,652.42 × 116,720.47
  4. Step 4: Simplify right side
    213,516.20x = 34,391,969,815.23
  5. Step 5: Solve for x
    x = 34,391,969,815.23/213,516.20
  6. Step 6: Final answer
    x = 161,074.29

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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.