Home / 110,946.70-166,420.05-75,517.30

Finding the Fourth Proportional to 110,946.70, 166,420.05 and 75,517.30

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Solution

The fourth proportional to 110,946.70, 166,420.05 and 75,517.30 is: 113,275.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,946.70 : 166,420.05 = 75,517.30 : x
  2. Step 2: Convert to fraction form
    110,946.70/166,420.05 = 75,517.30/x
  3. Step 3: Cross multiply
    110,946.70x = 166,420.05 × 75,517.30
  4. Step 4: Simplify right side
    110,946.70x = 12,567,592,841.87
  5. Step 5: Solve for x
    x = 12,567,592,841.87/110,946.70
  6. Step 6: Final answer
    x = 113,275.95

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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.