Home / 181,983.40-273,266.70-137,660.20

Finding the Fourth Proportional to 181,983.40, 273,266.70 and 137,660.20

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Solution

The fourth proportional to 181,983.40, 273,266.70 and 137,660.20 is: 206,710.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,983.40 : 273,266.70 = 137,660.20 : x
  2. Step 2: Convert to fraction form
    181,983.40/273,266.70 = 137,660.20/x
  3. Step 3: Cross multiply
    181,983.40x = 273,266.70 × 137,660.20
  4. Step 4: Simplify right side
    181,983.40x = 37,617,948,575.34
  5. Step 5: Solve for x
    x = 37,617,948,575.34/181,983.40
  6. Step 6: Final answer
    x = 206,710.88

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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.