Home / 111,396.34-167,082.66-31,432.33

Finding the Fourth Proportional to 111,396.34, 167,082.66 and 31,432.33

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Solution

The fourth proportional to 111,396.34, 167,082.66 and 31,432.33 is: 47,145.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,396.34 : 167,082.66 = 31,432.33 : x
  2. Step 2: Convert to fraction form
    111,396.34/167,082.66 = 31,432.33/x
  3. Step 3: Cross multiply
    111,396.34x = 167,082.66 × 31,432.33
  4. Step 4: Simplify right side
    111,396.34x = 5,251,796,313.82
  5. Step 5: Solve for x
    x = 5,251,796,313.82/111,396.34
  6. Step 6: Final answer
    x = 47,145.14

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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.