Home / 132,756.96-198,676.17-127,245.72

Finding the Fourth Proportional to 132,756.96, 198,676.17 and 127,245.72

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Solution

The fourth proportional to 132,756.96, 198,676.17 and 127,245.72 is: 190,428.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,756.96 : 198,676.17 = 127,245.72 : x
  2. Step 2: Convert to fraction form
    132,756.96/198,676.17 = 127,245.72/x
  3. Step 3: Cross multiply
    132,756.96x = 198,676.17 × 127,245.72
  4. Step 4: Simplify right side
    132,756.96x = 25,280,692,298.49
  5. Step 5: Solve for x
    x = 25,280,692,298.49/132,756.96
  6. Step 6: Final answer
    x = 190,428.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.