Home / 136,346.46-188,107.22-136,135.96

Finding the Fourth Proportional to 136,346.46, 188,107.22 and 136,135.96

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Solution

The fourth proportional to 136,346.46, 188,107.22 and 136,135.96 is: 187,816.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,346.46 : 188,107.22 = 136,135.96 : x
  2. Step 2: Convert to fraction form
    136,346.46/188,107.22 = 136,135.96/x
  3. Step 3: Cross multiply
    136,346.46x = 188,107.22 × 136,135.96
  4. Step 4: Simplify right side
    136,346.46x = 25,608,156,977.63
  5. Step 5: Solve for x
    x = 25,608,156,977.63/136,346.46
  6. Step 6: Final answer
    x = 187,816.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.