Home / 181,864.60-273,380.10-129,635.80

Finding the Fourth Proportional to 181,864.60, 273,380.10 and 129,635.80

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Solution

The fourth proportional to 181,864.60, 273,380.10 and 129,635.80 is: 194,869.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,864.60 : 273,380.10 = 129,635.80 : x
  2. Step 2: Convert to fraction form
    181,864.60/273,380.10 = 129,635.80/x
  3. Step 3: Cross multiply
    181,864.60x = 273,380.10 × 129,635.80
  4. Step 4: Simplify right side
    181,864.60x = 35,439,847,967.58
  5. Step 5: Solve for x
    x = 35,439,847,967.58/181,864.60
  6. Step 6: Final answer
    x = 194,869.41

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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.