Home / 132,982.67-183,546.87-87,668.66

Finding the Fourth Proportional to 132,982.67, 183,546.87 and 87,668.66

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Solution

The fourth proportional to 132,982.67, 183,546.87 and 87,668.66 is: 121,003.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,982.67 : 183,546.87 = 87,668.66 : x
  2. Step 2: Convert to fraction form
    132,982.67/183,546.87 = 87,668.66/x
  3. Step 3: Cross multiply
    132,982.67x = 183,546.87 × 87,668.66
  4. Step 4: Simplify right side
    132,982.67x = 16,091,308,140.09
  5. Step 5: Solve for x
    x = 16,091,308,140.09/132,982.67
  6. Step 6: Final answer
    x = 121,003.05

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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.