Home / 177,343.12-266,007.23-82,540.70

Finding the Fourth Proportional to 177,343.12, 266,007.23 and 82,540.70

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Solution

The fourth proportional to 177,343.12, 266,007.23 and 82,540.70 is: 123,807.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,343.12 : 266,007.23 = 82,540.70 : x
  2. Step 2: Convert to fraction form
    177,343.12/266,007.23 = 82,540.70/x
  3. Step 3: Cross multiply
    177,343.12x = 266,007.23 × 82,540.70
  4. Step 4: Simplify right side
    177,343.12x = 21,956,422,017.58
  5. Step 5: Solve for x
    x = 21,956,422,017.58/177,343.12
  6. Step 6: Final answer
    x = 123,807.58

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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.