Home / 111,276.82-166,725.07-79,524.66

Finding the Fourth Proportional to 111,276.82, 166,725.07 and 79,524.66

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Solution

The fourth proportional to 111,276.82, 166,725.07 and 79,524.66 is: 119,151.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,276.82 : 166,725.07 = 79,524.66 : x
  2. Step 2: Convert to fraction form
    111,276.82/166,725.07 = 79,524.66/x
  3. Step 3: Cross multiply
    111,276.82x = 166,725.07 × 79,524.66
  4. Step 4: Simplify right side
    111,276.82x = 13,258,754,686.38
  5. Step 5: Solve for x
    x = 13,258,754,686.38/111,276.82
  6. Step 6: Final answer
    x = 119,151.09

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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.