Home / 132,021.28-182,190.78-71,592.04

Finding the Fourth Proportional to 132,021.28, 182,190.78 and 71,592.04

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Solution

The fourth proportional to 132,021.28, 182,190.78 and 71,592.04 is: 98,797.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,021.28 : 182,190.78 = 71,592.04 : x
  2. Step 2: Convert to fraction form
    132,021.28/182,190.78 = 71,592.04/x
  3. Step 3: Cross multiply
    132,021.28x = 182,190.78 × 71,592.04
  4. Step 4: Simplify right side
    132,021.28x = 13,043,409,609.39
  5. Step 5: Solve for x
    x = 13,043,409,609.39/132,021.28
  6. Step 6: Final answer
    x = 98,797.78

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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.