Home / 111,494.16-167,288.04-69,409.44

Finding the Fourth Proportional to 111,494.16, 167,288.04 and 69,409.44

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Solution

The fourth proportional to 111,494.16, 167,288.04 and 69,409.44 is: 104,143.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,494.16 : 167,288.04 = 69,409.44 : x
  2. Step 2: Convert to fraction form
    111,494.16/167,288.04 = 69,409.44/x
  3. Step 3: Cross multiply
    111,494.16x = 167,288.04 × 69,409.44
  4. Step 4: Simplify right side
    111,494.16x = 11,611,369,175.10
  5. Step 5: Solve for x
    x = 11,611,369,175.10/111,494.16
  6. Step 6: Final answer
    x = 104,143.29

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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.