Home / 140,936.40-211,304.12-66,015.44

Finding the Fourth Proportional to 140,936.40, 211,304.12 and 66,015.44

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Solution

The fourth proportional to 140,936.40, 211,304.12 and 66,015.44 is: 98,976.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,936.40 : 211,304.12 = 66,015.44 : x
  2. Step 2: Convert to fraction form
    140,936.40/211,304.12 = 66,015.44/x
  3. Step 3: Cross multiply
    140,936.40x = 211,304.12 × 66,015.44
  4. Step 4: Simplify right side
    140,936.40x = 13,949,334,455.61
  5. Step 5: Solve for x
    x = 13,949,334,455.61/140,936.40
  6. Step 6: Final answer
    x = 98,976.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.