Home / 144,052.02-198,791.82-80,388.45

Finding the Fourth Proportional to 144,052.02, 198,791.82 and 80,388.45

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Solution

The fourth proportional to 144,052.02, 198,791.82 and 80,388.45 is: 110,936.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,052.02 : 198,791.82 = 80,388.45 : x
  2. Step 2: Convert to fraction form
    144,052.02/198,791.82 = 80,388.45/x
  3. Step 3: Cross multiply
    144,052.02x = 198,791.82 × 80,388.45
  4. Step 4: Simplify right side
    144,052.02x = 15,980,566,282.48
  5. Step 5: Solve for x
    x = 15,980,566,282.48/144,052.02
  6. Step 6: Final answer
    x = 110,936.08

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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.