Home / 132,466.29-183,284.85-115,505.90

Finding the Fourth Proportional to 132,466.29, 183,284.85 and 115,505.90

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Solution

The fourth proportional to 132,466.29, 183,284.85 and 115,505.90 is: 159,817.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,466.29 : 183,284.85 = 115,505.90 : x
  2. Step 2: Convert to fraction form
    132,466.29/183,284.85 = 115,505.90/x
  3. Step 3: Cross multiply
    132,466.29x = 183,284.85 × 115,505.90
  4. Step 4: Simplify right side
    132,466.29x = 21,170,481,555.62
  5. Step 5: Solve for x
    x = 21,170,481,555.62/132,466.29
  6. Step 6: Final answer
    x = 159,817.88

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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.