Home / 132,916.65-183,321.30-85,174.44

Finding the Fourth Proportional to 132,916.65, 183,321.30 and 85,174.44

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Solution

The fourth proportional to 132,916.65, 183,321.30 and 85,174.44 is: 117,474.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,916.65 : 183,321.30 = 85,174.44 : x
  2. Step 2: Convert to fraction form
    132,916.65/183,321.30 = 85,174.44/x
  3. Step 3: Cross multiply
    132,916.65x = 183,321.30 × 85,174.44
  4. Step 4: Simplify right side
    132,916.65x = 15,614,289,067.57
  5. Step 5: Solve for x
    x = 15,614,289,067.57/132,916.65
  6. Step 6: Final answer
    x = 117,474.29

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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.