Home / 143,261.88-214,296.12-132,633.06

Finding the Fourth Proportional to 143,261.88, 214,296.12 and 132,633.06

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Solution

The fourth proportional to 143,261.88, 214,296.12 and 132,633.06 is: 198,397.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,261.88 : 214,296.12 = 132,633.06 : x
  2. Step 2: Convert to fraction form
    143,261.88/214,296.12 = 132,633.06/x
  3. Step 3: Cross multiply
    143,261.88x = 214,296.12 × 132,633.06
  4. Step 4: Simplify right side
    143,261.88x = 28,422,750,141.73
  5. Step 5: Solve for x
    x = 28,422,750,141.73/143,261.88
  6. Step 6: Final answer
    x = 198,397.16

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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.