Home / 140,546.61-193,956.03-76,883.04

Finding the Fourth Proportional to 140,546.61, 193,956.03 and 76,883.04

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Solution

The fourth proportional to 140,546.61, 193,956.03 and 76,883.04 is: 106,099.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,546.61 : 193,956.03 = 76,883.04 : x
  2. Step 2: Convert to fraction form
    140,546.61/193,956.03 = 76,883.04/x
  3. Step 3: Cross multiply
    140,546.61x = 193,956.03 × 76,883.04
  4. Step 4: Simplify right side
    140,546.61x = 14,911,929,212.73
  5. Step 5: Solve for x
    x = 14,911,929,212.73/140,546.61
  6. Step 6: Final answer
    x = 106,099.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.