Home / 143,935.62-198,786.08-109,577.58

Finding the Fourth Proportional to 143,935.62, 198,786.08 and 109,577.58

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Solution

The fourth proportional to 143,935.62, 198,786.08 and 109,577.58 is: 151,335.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,935.62 : 198,786.08 = 109,577.58 : x
  2. Step 2: Convert to fraction form
    143,935.62/198,786.08 = 109,577.58/x
  3. Step 3: Cross multiply
    143,935.62x = 198,786.08 × 109,577.58
  4. Step 4: Simplify right side
    143,935.62x = 21,782,497,036.20
  5. Step 5: Solve for x
    x = 21,782,497,036.20/143,935.62
  6. Step 6: Final answer
    x = 151,335.00

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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.