Home / 111,277.82-166,726.57-79,525.66

Finding the Fourth Proportional to 111,277.82, 166,726.57 and 79,525.66

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Solution

The fourth proportional to 111,277.82, 166,726.57 and 79,525.66 is: 119,152.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,277.82 : 166,726.57 = 79,525.66 : x
  2. Step 2: Convert to fraction form
    111,277.82/166,726.57 = 79,525.66/x
  3. Step 3: Cross multiply
    111,277.82x = 166,726.57 × 79,525.66
  4. Step 4: Simplify right side
    111,277.82x = 13,259,040,518.79
  5. Step 5: Solve for x
    x = 13,259,040,518.79/111,277.82
  6. Step 6: Final answer
    x = 119,152.59

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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.