Home / 140,716.48-194,185.28-77,056.96

Finding the Fourth Proportional to 140,716.48, 194,185.28 and 77,056.96

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Solution

The fourth proportional to 140,716.48, 194,185.28 and 77,056.96 is: 106,336.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,716.48 : 194,185.28 = 77,056.96 : x
  2. Step 2: Convert to fraction form
    140,716.48/194,185.28 = 77,056.96/x
  3. Step 3: Cross multiply
    140,716.48x = 194,185.28 × 77,056.96
  4. Step 4: Simplify right side
    140,716.48x = 14,963,327,353.55
  5. Step 5: Solve for x
    x = 14,963,327,353.55/140,716.48
  6. Step 6: Final answer
    x = 106,336.71

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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.