Home / 110,773.98-166,199.85-69,172.38

Finding the Fourth Proportional to 110,773.98, 166,199.85 and 69,172.38

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Solution

The fourth proportional to 110,773.98, 166,199.85 and 69,172.38 is: 103,782.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,773.98 : 166,199.85 = 69,172.38 : x
  2. Step 2: Convert to fraction form
    110,773.98/166,199.85 = 69,172.38/x
  3. Step 3: Cross multiply
    110,773.98x = 166,199.85 × 69,172.38
  4. Step 4: Simplify right side
    110,773.98x = 11,496,439,180.14
  5. Step 5: Solve for x
    x = 11,496,439,180.14/110,773.98
  6. Step 6: Final answer
    x = 103,782.85

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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.