Home / 126,327.34-174,321.26-71,865.02

Finding the Fourth Proportional to 126,327.34, 174,321.26 and 71,865.02

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Solution

The fourth proportional to 126,327.34, 174,321.26 and 71,865.02 is: 99,167.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,327.34 : 174,321.26 = 71,865.02 : x
  2. Step 2: Convert to fraction form
    126,327.34/174,321.26 = 71,865.02/x
  3. Step 3: Cross multiply
    126,327.34x = 174,321.26 × 71,865.02
  4. Step 4: Simplify right side
    126,327.34x = 12,527,601,182.30
  5. Step 5: Solve for x
    x = 12,527,601,182.30/126,327.34
  6. Step 6: Final answer
    x = 99,167.77

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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.