Home / 133,026.90-199,540.35-109,407.30

Finding the Fourth Proportional to 133,026.90, 199,540.35 and 109,407.30

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Solution

The fourth proportional to 133,026.90, 199,540.35 and 109,407.30 is: 164,110.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,026.90 : 199,540.35 = 109,407.30 : x
  2. Step 2: Convert to fraction form
    133,026.90/199,540.35 = 109,407.30/x
  3. Step 3: Cross multiply
    133,026.90x = 199,540.35 × 109,407.30
  4. Step 4: Simplify right side
    133,026.90x = 21,831,170,934.56
  5. Step 5: Solve for x
    x = 21,831,170,934.56/133,026.90
  6. Step 6: Final answer
    x = 164,110.95

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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.