Home / 110,775.48-166,202.10-69,173.88

Finding the Fourth Proportional to 110,775.48, 166,202.10 and 69,173.88

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Solution

The fourth proportional to 110,775.48, 166,202.10 and 69,173.88 is: 103,785.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,775.48 : 166,202.10 = 69,173.88 : x
  2. Step 2: Convert to fraction form
    110,775.48/166,202.10 = 69,173.88/x
  3. Step 3: Cross multiply
    110,775.48x = 166,202.10 × 69,173.88
  4. Step 4: Simplify right side
    110,775.48x = 11,496,844,121.15
  5. Step 5: Solve for x
    x = 11,496,844,121.15/110,775.48
  6. Step 6: Final answer
    x = 103,785.10

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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.