Home / 142,899.96-197,162.34-82,466.36

Finding the Fourth Proportional to 142,899.96, 197,162.34 and 82,466.36

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Solution

The fourth proportional to 142,899.96, 197,162.34 and 82,466.36 is: 113,780.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,899.96 : 197,162.34 = 82,466.36 : x
  2. Step 2: Convert to fraction form
    142,899.96/197,162.34 = 82,466.36/x
  3. Step 3: Cross multiply
    142,899.96x = 197,162.34 × 82,466.36
  4. Step 4: Simplify right side
    142,899.96x = 16,259,260,508.88
  5. Step 5: Solve for x
    x = 16,259,260,508.88/142,899.96
  6. Step 6: Final answer
    x = 113,780.72

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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.