Home / 111,288.96-166,926.08-52,137.92

Finding the Fourth Proportional to 111,288.96, 166,926.08 and 52,137.92

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Solution

The fourth proportional to 111,288.96, 166,926.08 and 52,137.92 is: 78,203.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,288.96 : 166,926.08 = 52,137.92 : x
  2. Step 2: Convert to fraction form
    111,288.96/166,926.08 = 52,137.92/x
  3. Step 3: Cross multiply
    111,288.96x = 166,926.08 × 52,137.92
  4. Step 4: Simplify right side
    111,288.96x = 8,703,178,604.95
  5. Step 5: Solve for x
    x = 8,703,178,604.95/111,288.96
  6. Step 6: Final answer
    x = 78,203.43

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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.