Home / 110,898.20-166,347.30-81,373.70

Finding the Fourth Proportional to 110,898.20, 166,347.30 and 81,373.70

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Solution

The fourth proportional to 110,898.20, 166,347.30 and 81,373.70 is: 122,060.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,898.20 : 166,347.30 = 81,373.70 : x
  2. Step 2: Convert to fraction form
    110,898.20/166,347.30 = 81,373.70/x
  3. Step 3: Cross multiply
    110,898.20x = 166,347.30 × 81,373.70
  4. Step 4: Simplify right side
    110,898.20x = 13,536,295,286.01
  5. Step 5: Solve for x
    x = 13,536,295,286.01/110,898.20
  6. Step 6: Final answer
    x = 122,060.55

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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.