Home / 192,918.42-266,181.66-112,297.50

Finding the Fourth Proportional to 192,918.42, 266,181.66 and 112,297.50

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Solution

The fourth proportional to 192,918.42, 266,181.66 and 112,297.50 is: 154,943.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,918.42 : 266,181.66 = 112,297.50 : x
  2. Step 2: Convert to fraction form
    192,918.42/266,181.66 = 112,297.50/x
  3. Step 3: Cross multiply
    192,918.42x = 266,181.66 × 112,297.50
  4. Step 4: Simplify right side
    192,918.42x = 29,891,534,963.85
  5. Step 5: Solve for x
    x = 29,891,534,963.85/192,918.42
  6. Step 6: Final answer
    x = 154,943.91

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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.