Home / 136,383.90-203,655.68-111,474.06

Finding the Fourth Proportional to 136,383.90, 203,655.68 and 111,474.06

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Solution

The fourth proportional to 136,383.90, 203,655.68 and 111,474.06 is: 166,458.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,383.90 : 203,655.68 = 111,474.06 : x
  2. Step 2: Convert to fraction form
    136,383.90/203,655.68 = 111,474.06/x
  3. Step 3: Cross multiply
    136,383.90x = 203,655.68 × 111,474.06
  4. Step 4: Simplify right side
    136,383.90x = 22,702,324,934.29
  5. Step 5: Solve for x
    x = 22,702,324,934.29/136,383.90
  6. Step 6: Final answer
    x = 166,458.98

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.