Home / 110,712.70-166,506.45-99,340.30

Finding the Fourth Proportional to 110,712.70, 166,506.45 and 99,340.30

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Solution

The fourth proportional to 110,712.70, 166,506.45 and 99,340.30 is: 149,402.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,712.70 : 166,506.45 = 99,340.30 : x
  2. Step 2: Convert to fraction form
    110,712.70/166,506.45 = 99,340.30/x
  3. Step 3: Cross multiply
    110,712.70x = 166,506.45 × 99,340.30
  4. Step 4: Simplify right side
    110,712.70x = 16,540,800,694.94
  5. Step 5: Solve for x
    x = 16,540,800,694.94/110,712.70
  6. Step 6: Final answer
    x = 149,402.92

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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.