Home / 110,816.10-166,054.05-82,603.80

Finding the Fourth Proportional to 110,816.10, 166,054.05 and 82,603.80

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Solution

The fourth proportional to 110,816.10, 166,054.05 and 82,603.80 is: 123,778.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,816.10 : 166,054.05 = 82,603.80 : x
  2. Step 2: Convert to fraction form
    110,816.10/166,054.05 = 82,603.80/x
  3. Step 3: Cross multiply
    110,816.10x = 166,054.05 × 82,603.80
  4. Step 4: Simplify right side
    110,816.10x = 13,716,695,535.39
  5. Step 5: Solve for x
    x = 13,716,695,535.39/110,816.10
  6. Step 6: Final answer
    x = 123,778.91

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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.