Home / 132,172.56-182,399.45-71,743.73

Finding the Fourth Proportional to 132,172.56, 182,399.45 and 71,743.73

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Solution

The fourth proportional to 132,172.56, 182,399.45 and 71,743.73 is: 99,007.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,172.56 : 182,399.45 = 71,743.73 : x
  2. Step 2: Convert to fraction form
    132,172.56/182,399.45 = 71,743.73/x
  3. Step 3: Cross multiply
    132,172.56x = 182,399.45 × 71,743.73
  4. Step 4: Simplify right side
    132,172.56x = 13,086,015,622.23
  5. Step 5: Solve for x
    x = 13,086,015,622.23/132,172.56
  6. Step 6: Final answer
    x = 99,007.05

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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.