Home / 123,195.24-170,035.80-77,844.42

Finding the Fourth Proportional to 123,195.24, 170,035.80 and 77,844.42

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Solution

The fourth proportional to 123,195.24, 170,035.80 and 77,844.42 is: 107,441.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,195.24 : 170,035.80 = 77,844.42 : x
  2. Step 2: Convert to fraction form
    123,195.24/170,035.80 = 77,844.42/x
  3. Step 3: Cross multiply
    123,195.24x = 170,035.80 × 77,844.42
  4. Step 4: Simplify right side
    123,195.24x = 13,236,338,230.24
  5. Step 5: Solve for x
    x = 13,236,338,230.24/123,195.24
  6. Step 6: Final answer
    x = 107,441.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.