Home / 155,682.92-233,321.34-71,412.68

Finding the Fourth Proportional to 155,682.92, 233,321.34 and 71,412.68

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Solution

The fourth proportional to 155,682.92, 233,321.34 and 71,412.68 is: 107,025.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,682.92 : 233,321.34 = 71,412.68 : x
  2. Step 2: Convert to fraction form
    155,682.92/233,321.34 = 71,412.68/x
  3. Step 3: Cross multiply
    155,682.92x = 233,321.34 × 71,412.68
  4. Step 4: Simplify right side
    155,682.92x = 16,662,102,190.59
  5. Step 5: Solve for x
    x = 16,662,102,190.59/155,682.92
  6. Step 6: Final answer
    x = 107,025.88

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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.