Home / 175,821.52-263,443.94-74,538.64

Finding the Fourth Proportional to 175,821.52, 263,443.94 and 74,538.64

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Solution

The fourth proportional to 175,821.52, 263,443.94 and 74,538.64 is: 111,685.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,821.52 : 263,443.94 = 74,538.64 : x
  2. Step 2: Convert to fraction form
    175,821.52/263,443.94 = 74,538.64/x
  3. Step 3: Cross multiply
    175,821.52x = 263,443.94 × 74,538.64
  4. Step 4: Simplify right side
    175,821.52x = 19,636,753,848.80
  5. Step 5: Solve for x
    x = 19,636,753,848.80/175,821.52
  6. Step 6: Final answer
    x = 111,685.73

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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.