Home / 132,998.37-183,537.68-85,251.69

Finding the Fourth Proportional to 132,998.37, 183,537.68 and 85,251.69

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Solution

The fourth proportional to 132,998.37, 183,537.68 and 85,251.69 is: 117,647.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,998.37 : 183,537.68 = 85,251.69 : x
  2. Step 2: Convert to fraction form
    132,998.37/183,537.68 = 85,251.69/x
  3. Step 3: Cross multiply
    132,998.37x = 183,537.68 × 85,251.69
  4. Step 4: Simplify right side
    132,998.37x = 15,646,896,972.42
  5. Step 5: Solve for x
    x = 15,646,896,972.42/132,998.37
  6. Step 6: Final answer
    x = 117,647.28

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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.