Home / 111,299.08-167,057.94-81,632.44

Finding the Fourth Proportional to 111,299.08, 167,057.94 and 81,632.44

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Solution

The fourth proportional to 111,299.08, 167,057.94 and 81,632.44 is: 122,528.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,299.08 : 167,057.94 = 81,632.44 : x
  2. Step 2: Convert to fraction form
    111,299.08/167,057.94 = 81,632.44/x
  3. Step 3: Cross multiply
    111,299.08x = 167,057.94 × 81,632.44
  4. Step 4: Simplify right side
    111,299.08x = 13,637,347,263.57
  5. Step 5: Solve for x
    x = 13,637,347,263.57/111,299.08
  6. Step 6: Final answer
    x = 122,528.84

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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.