Home / 132,588.36-182,844.74-89,079.21

Finding the Fourth Proportional to 132,588.36, 182,844.74 and 89,079.21

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Solution

The fourth proportional to 132,588.36, 182,844.74 and 89,079.21 is: 122,843.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,588.36 : 182,844.74 = 89,079.21 : x
  2. Step 2: Convert to fraction form
    132,588.36/182,844.74 = 89,079.21/x
  3. Step 3: Cross multiply
    132,588.36x = 182,844.74 × 89,079.21
  4. Step 4: Simplify right side
    132,588.36x = 16,287,664,991.86
  5. Step 5: Solve for x
    x = 16,287,664,991.86/132,588.36
  6. Step 6: Final answer
    x = 122,843.85

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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.