Home / 132,128.92-182,336.98-71,698.03

Finding the Fourth Proportional to 132,128.92, 182,336.98 and 71,698.03

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Solution

The fourth proportional to 132,128.92, 182,336.98 and 71,698.03 is: 98,942.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,128.92 : 182,336.98 = 71,698.03 : x
  2. Step 2: Convert to fraction form
    132,128.92/182,336.98 = 71,698.03/x
  3. Step 3: Cross multiply
    132,128.92x = 182,336.98 × 71,698.03
  4. Step 4: Simplify right side
    132,128.92x = 13,073,202,262.15
  5. Step 5: Solve for x
    x = 13,073,202,262.15/132,128.92
  6. Step 6: Final answer
    x = 98,942.78

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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.