Home / 111,750.24-167,735.52-82,084.80

Finding the Fourth Proportional to 111,750.24, 167,735.52 and 82,084.80

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Solution

The fourth proportional to 111,750.24, 167,735.52 and 82,084.80 is: 123,208.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,750.24 : 167,735.52 = 82,084.80 : x
  2. Step 2: Convert to fraction form
    111,750.24/167,735.52 = 82,084.80/x
  3. Step 3: Cross multiply
    111,750.24x = 167,735.52 × 82,084.80
  4. Step 4: Simplify right side
    111,750.24x = 13,768,536,612.10
  5. Step 5: Solve for x
    x = 13,768,536,612.10/111,750.24
  6. Step 6: Final answer
    x = 123,208.12

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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.