Home / 110,922.90-166,165.65-103,049.70

Finding the Fourth Proportional to 110,922.90, 166,165.65 and 103,049.70

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Solution

The fourth proportional to 110,922.90, 166,165.65 and 103,049.70 is: 154,371.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,922.90 : 166,165.65 = 103,049.70 : x
  2. Step 2: Convert to fraction form
    110,922.90/166,165.65 = 103,049.70/x
  3. Step 3: Cross multiply
    110,922.90x = 166,165.65 × 103,049.70
  4. Step 4: Simplify right side
    110,922.90x = 17,123,320,382.81
  5. Step 5: Solve for x
    x = 17,123,320,382.81/110,922.90
  6. Step 6: Final answer
    x = 154,371.37

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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.