Home / 132,189.48-182,361.06-91,999.08

Finding the Fourth Proportional to 132,189.48, 182,361.06 and 91,999.08

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Solution

The fourth proportional to 132,189.48, 182,361.06 and 91,999.08 is: 126,916.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,189.48 : 182,361.06 = 91,999.08 : x
  2. Step 2: Convert to fraction form
    132,189.48/182,361.06 = 91,999.08/x
  3. Step 3: Cross multiply
    132,189.48x = 182,361.06 × 91,999.08
  4. Step 4: Simplify right side
    132,189.48x = 16,777,049,747.82
  5. Step 5: Solve for x
    x = 16,777,049,747.82/132,189.48
  6. Step 6: Final answer
    x = 126,916.68

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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.