Home / 121,422.72-182,203.20-96,954.24

Finding the Fourth Proportional to 121,422.72, 182,203.20 and 96,954.24

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Solution

The fourth proportional to 121,422.72, 182,203.20 and 96,954.24 is: 145,486.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,422.72 : 182,203.20 = 96,954.24 : x
  2. Step 2: Convert to fraction form
    121,422.72/182,203.20 = 96,954.24/x
  3. Step 3: Cross multiply
    121,422.72x = 182,203.20 × 96,954.24
  4. Step 4: Simplify right side
    121,422.72x = 17,665,372,781.57
  5. Step 5: Solve for x
    x = 17,665,372,781.57/121,422.72
  6. Step 6: Final answer
    x = 145,486.55

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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.