Home / 132,085.26-198,120.99-43,327.08

Finding the Fourth Proportional to 132,085.26, 198,120.99 and 43,327.08

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Solution

The fourth proportional to 132,085.26, 198,120.99 and 43,327.08 is: 64,988.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,085.26 : 198,120.99 = 43,327.08 : x
  2. Step 2: Convert to fraction form
    132,085.26/198,120.99 = 43,327.08/x
  3. Step 3: Cross multiply
    132,085.26x = 198,120.99 × 43,327.08
  4. Step 4: Simplify right side
    132,085.26x = 8,584,003,983.41
  5. Step 5: Solve for x
    x = 8,584,003,983.41/132,085.26
  6. Step 6: Final answer
    x = 64,988.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.