Home / 190,998.14-263,593.12-123,156.35

Finding the Fourth Proportional to 190,998.14, 263,593.12 and 123,156.35

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Solution

The fourth proportional to 190,998.14, 263,593.12 and 123,156.35 is: 169,965.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,998.14 : 263,593.12 = 123,156.35 : x
  2. Step 2: Convert to fraction form
    190,998.14/263,593.12 = 123,156.35/x
  3. Step 3: Cross multiply
    190,998.14x = 263,593.12 × 123,156.35
  4. Step 4: Simplify right side
    190,998.14x = 32,463,164,918.46
  5. Step 5: Solve for x
    x = 32,463,164,918.46/190,998.14
  6. Step 6: Final answer
    x = 169,965.87

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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.