Home / 111,817.08-167,323.62-82,161.24

Finding the Fourth Proportional to 111,817.08, 167,323.62 and 82,161.24

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Solution

The fourth proportional to 111,817.08, 167,323.62 and 82,161.24 is: 122,946.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,817.08 : 167,323.62 = 82,161.24 : x
  2. Step 2: Convert to fraction form
    111,817.08/167,323.62 = 82,161.24/x
  3. Step 3: Cross multiply
    111,817.08x = 167,323.62 × 82,161.24
  4. Step 4: Simplify right side
    111,817.08x = 13,747,516,100.49
  5. Step 5: Solve for x
    x = 13,747,516,100.49/111,817.08
  6. Step 6: Final answer
    x = 122,946.48

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1.5x scale

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.