Home / 132,489.09-182,832.26-72,058.50

Finding the Fourth Proportional to 132,489.09, 182,832.26 and 72,058.50

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Solution

The fourth proportional to 132,489.09, 182,832.26 and 72,058.50 is: 99,439.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,489.09 : 182,832.26 = 72,058.50 : x
  2. Step 2: Convert to fraction form
    132,489.09/182,832.26 = 72,058.50/x
  3. Step 3: Cross multiply
    132,489.09x = 182,832.26 × 72,058.50
  4. Step 4: Simplify right side
    132,489.09x = 13,174,618,046.92
  5. Step 5: Solve for x
    x = 13,174,618,046.92/132,489.09
  6. Step 6: Final answer
    x = 99,439.27

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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.