Home / 217,023.13-325,534.73-90,594.41

Finding the Fourth Proportional to 217,023.13, 325,534.73 and 90,594.41

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Solution

The fourth proportional to 217,023.13, 325,534.73 and 90,594.41 is: 135,891.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,023.13 : 325,534.73 = 90,594.41 : x
  2. Step 2: Convert to fraction form
    217,023.13/325,534.73 = 90,594.41/x
  3. Step 3: Cross multiply
    217,023.13x = 325,534.73 × 90,594.41
  4. Step 4: Simplify right side
    217,023.13x = 29,491,626,798.86
  5. Step 5: Solve for x
    x = 29,491,626,798.86/217,023.13
  6. Step 6: Final answer
    x = 135,891.63

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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.