Home / 171,817.75-237,212.18-112,305.43

Finding the Fourth Proportional to 171,817.75, 237,212.18 and 112,305.43

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Solution

The fourth proportional to 171,817.75, 237,212.18 and 112,305.43 is: 155,049.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,817.75 : 237,212.18 = 112,305.43 : x
  2. Step 2: Convert to fraction form
    171,817.75/237,212.18 = 112,305.43/x
  3. Step 3: Cross multiply
    171,817.75x = 237,212.18 × 112,305.43
  4. Step 4: Simplify right side
    171,817.75x = 26,640,215,876.14
  5. Step 5: Solve for x
    x = 26,640,215,876.14/171,817.75
  6. Step 6: Final answer
    x = 155,049.27

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1.5x scale

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.