Home / 136,044.94-187,313.20-123,433.58

Finding the Fourth Proportional to 136,044.94, 187,313.20 and 123,433.58

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Solution

The fourth proportional to 136,044.94, 187,313.20 and 123,433.58 is: 169,949.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,044.94 : 187,313.20 = 123,433.58 : x
  2. Step 2: Convert to fraction form
    136,044.94/187,313.20 = 123,433.58/x
  3. Step 3: Cross multiply
    136,044.94x = 187,313.20 × 123,433.58
  4. Step 4: Simplify right side
    136,044.94x = 23,120,738,857.26
  5. Step 5: Solve for x
    x = 23,120,738,857.26/136,044.94
  6. Step 6: Final answer
    x = 169,949.27

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1.5x scale

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.