Home / 142,922.96-197,219.46-82,513.10

Finding the Fourth Proportional to 142,922.96, 197,219.46 and 82,513.10

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Solution

The fourth proportional to 142,922.96, 197,219.46 and 82,513.10 is: 113,859.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,922.96 : 197,219.46 = 82,513.10 : x
  2. Step 2: Convert to fraction form
    142,922.96/197,219.46 = 82,513.10/x
  3. Step 3: Cross multiply
    142,922.96x = 197,219.46 × 82,513.10
  4. Step 4: Simplify right side
    142,922.96x = 16,273,189,024.93
  5. Step 5: Solve for x
    x = 16,273,189,024.93/142,922.96
  6. Step 6: Final answer
    x = 113,859.87

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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.