Home / 111,219.30-166,749.69-52,022.70

Finding the Fourth Proportional to 111,219.30, 166,749.69 and 52,022.70

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Solution

The fourth proportional to 111,219.30, 166,749.69 and 52,022.70 is: 77,996.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,219.30 : 166,749.69 = 52,022.70 : x
  2. Step 2: Convert to fraction form
    111,219.30/166,749.69 = 52,022.70/x
  3. Step 3: Cross multiply
    111,219.30x = 166,749.69 × 52,022.70
  4. Step 4: Simplify right side
    111,219.30x = 8,674,769,097.96
  5. Step 5: Solve for x
    x = 8,674,769,097.96/111,219.30
  6. Step 6: Final answer
    x = 77,996.98

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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.