Home / 172,789.23-238,420.26-96,291.57

Finding the Fourth Proportional to 172,789.23, 238,420.26 and 96,291.57

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Solution

The fourth proportional to 172,789.23, 238,420.26 and 96,291.57 is: 132,866.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,789.23 : 238,420.26 = 96,291.57 : x
  2. Step 2: Convert to fraction form
    172,789.23/238,420.26 = 96,291.57/x
  3. Step 3: Cross multiply
    172,789.23x = 238,420.26 × 96,291.57
  4. Step 4: Simplify right side
    172,789.23x = 22,957,861,155.21
  5. Step 5: Solve for x
    x = 22,957,861,155.21/172,789.23
  6. Step 6: Final answer
    x = 132,866.27

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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.