Home / 132,027.14-197,942.30-79,424.32

Finding the Fourth Proportional to 132,027.14, 197,942.30 and 79,424.32

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Solution

The fourth proportional to 132,027.14, 197,942.30 and 79,424.32 is: 119,077.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,027.14 : 197,942.30 = 79,424.32 : x
  2. Step 2: Convert to fraction form
    132,027.14/197,942.30 = 79,424.32/x
  3. Step 3: Cross multiply
    132,027.14x = 197,942.30 × 79,424.32
  4. Step 4: Simplify right side
    132,027.14x = 15,721,432,576.74
  5. Step 5: Solve for x
    x = 15,721,432,576.74/132,027.14
  6. Step 6: Final answer
    x = 119,077.28

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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.