Home / 110,100.40-164,956.20-68,498.80

Finding the Fourth Proportional to 110,100.40, 164,956.20 and 68,498.80

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Solution

The fourth proportional to 110,100.40, 164,956.20 and 68,498.80 is: 102,627.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,100.40 : 164,956.20 = 68,498.80 : x
  2. Step 2: Convert to fraction form
    110,100.40/164,956.20 = 68,498.80/x
  3. Step 3: Cross multiply
    110,100.40x = 164,956.20 × 68,498.80
  4. Step 4: Simplify right side
    110,100.40x = 11,299,301,752.56
  5. Step 5: Solve for x
    x = 11,299,301,752.56/110,100.40
  6. Step 6: Final answer
    x = 102,627.25

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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.