Home / 111,516.21-167,185.08-58,181.42

Finding the Fourth Proportional to 111,516.21, 167,185.08 and 58,181.42

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Solution

The fourth proportional to 111,516.21, 167,185.08 and 58,181.42 is: 87,225.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,516.21 : 167,185.08 = 58,181.42 : x
  2. Step 2: Convert to fraction form
    111,516.21/167,185.08 = 58,181.42/x
  3. Step 3: Cross multiply
    111,516.21x = 167,185.08 × 58,181.42
  4. Step 4: Simplify right side
    111,516.21x = 9,727,064,521.29
  5. Step 5: Solve for x
    x = 9,727,064,521.29/111,516.21
  6. Step 6: Final answer
    x = 87,225.57

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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.