Home / 111,489.30-167,363.55-67,166.10

Finding the Fourth Proportional to 111,489.30, 167,363.55 and 67,166.10

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Solution

The fourth proportional to 111,489.30, 167,363.55 and 67,166.10 is: 100,827.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,489.30 : 167,363.55 = 67,166.10 : x
  2. Step 2: Convert to fraction form
    111,489.30/167,363.55 = 67,166.10/x
  3. Step 3: Cross multiply
    111,489.30x = 167,363.55 × 67,166.10
  4. Step 4: Simplify right side
    111,489.30x = 11,241,156,935.66
  5. Step 5: Solve for x
    x = 11,241,156,935.66/111,489.30
  6. Step 6: Final answer
    x = 100,827.23

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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.