Home / 217,953.13-325,973.56-194,105.60

Finding the Fourth Proportional to 217,953.13, 325,973.56 and 194,105.60

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Solution

The fourth proportional to 217,953.13, 325,973.56 and 194,105.60 is: 290,306.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,953.13 : 325,973.56 = 194,105.60 : x
  2. Step 2: Convert to fraction form
    217,953.13/325,973.56 = 194,105.60/x
  3. Step 3: Cross multiply
    217,953.13x = 325,973.56 × 194,105.60
  4. Step 4: Simplify right side
    217,953.13x = 63,273,293,447.94
  5. Step 5: Solve for x
    x = 63,273,293,447.94/217,953.13
  6. Step 6: Final answer
    x = 290,306.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.