Home / 166,542.62-229,830.63-91,089.50

Finding the Fourth Proportional to 166,542.62, 229,830.63 and 91,089.50

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Solution

The fourth proportional to 166,542.62, 229,830.63 and 91,089.50 is: 125,704.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,542.62 : 229,830.63 = 91,089.50 : x
  2. Step 2: Convert to fraction form
    166,542.62/229,830.63 = 91,089.50/x
  3. Step 3: Cross multiply
    166,542.62x = 229,830.63 × 91,089.50
  4. Step 4: Simplify right side
    166,542.62x = 20,935,157,171.39
  5. Step 5: Solve for x
    x = 20,935,157,171.39/166,542.62
  6. Step 6: Final answer
    x = 125,704.50

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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.