Home / 132,148.88-182,516.82-87,028.54

Finding the Fourth Proportional to 132,148.88, 182,516.82 and 87,028.54

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Solution

The fourth proportional to 132,148.88, 182,516.82 and 87,028.54 is: 120,199.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,148.88 : 182,516.82 = 87,028.54 : x
  2. Step 2: Convert to fraction form
    132,148.88/182,516.82 = 87,028.54/x
  3. Step 3: Cross multiply
    132,148.88x = 182,516.82 × 87,028.54
  4. Step 4: Simplify right side
    132,148.88x = 15,884,171,913.75
  5. Step 5: Solve for x
    x = 15,884,171,913.75/132,148.88
  6. Step 6: Final answer
    x = 120,199.07

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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.