Home / 132,181.61-182,350.19-91,991.21

Finding the Fourth Proportional to 132,181.61, 182,350.19 and 91,991.21

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Solution

The fourth proportional to 132,181.61, 182,350.19 and 91,991.21 is: 126,905.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,181.61 : 182,350.19 = 91,991.21 : x
  2. Step 2: Convert to fraction form
    132,181.61/182,350.19 = 91,991.21/x
  3. Step 3: Cross multiply
    132,181.61x = 182,350.19 × 91,991.21
  4. Step 4: Simplify right side
    132,181.61x = 16,774,613,940.06
  5. Step 5: Solve for x
    x = 16,774,613,940.06/132,181.61
  6. Step 6: Final answer
    x = 126,905.81

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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.