Home / 171,512.27-257,221.94-71,651.58

Finding the Fourth Proportional to 171,512.27, 257,221.94 and 71,651.58

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Solution

The fourth proportional to 171,512.27, 257,221.94 and 71,651.58 is: 107,457.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,512.27 : 257,221.94 = 71,651.58 : x
  2. Step 2: Convert to fraction form
    171,512.27/257,221.94 = 71,651.58/x
  3. Step 3: Cross multiply
    171,512.27x = 257,221.94 × 71,651.58
  4. Step 4: Simplify right side
    171,512.27x = 18,430,358,411.67
  5. Step 5: Solve for x
    x = 18,430,358,411.67/171,512.27
  6. Step 6: Final answer
    x = 107,457.96

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1.5x scale

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.