Home / 190,563.46-262,857.45-122,669.14

Finding the Fourth Proportional to 190,563.46, 262,857.45 and 122,669.14

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Solution

The fourth proportional to 190,563.46, 262,857.45 and 122,669.14 is: 169,206.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,563.46 : 262,857.45 = 122,669.14 : x
  2. Step 2: Convert to fraction form
    190,563.46/262,857.45 = 122,669.14/x
  3. Step 3: Cross multiply
    190,563.46x = 262,857.45 × 122,669.14
  4. Step 4: Simplify right side
    190,563.46x = 32,244,497,334.09
  5. Step 5: Solve for x
    x = 32,244,497,334.09/190,563.46
  6. Step 6: Final answer
    x = 169,206.09

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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.