Home / 142,932.42-197,220.62-82,481.00

Finding the Fourth Proportional to 142,932.42, 197,220.62 and 82,481.00

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Solution

The fourth proportional to 142,932.42, 197,220.62 and 82,481.00 is: 113,808.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,932.42 : 197,220.62 = 82,481.00 : x
  2. Step 2: Convert to fraction form
    142,932.42/197,220.62 = 82,481.00/x
  3. Step 3: Cross multiply
    142,932.42x = 197,220.62 × 82,481.00
  4. Step 4: Simplify right side
    142,932.42x = 16,266,952,559.71
  5. Step 5: Solve for x
    x = 16,266,952,559.71/142,932.42
  6. Step 6: Final answer
    x = 113,808.70

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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.