Home / 129,867.60-194,657.40-50,955.60

Finding the Fourth Proportional to 129,867.60, 194,657.40 and 50,955.60

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Solution

The fourth proportional to 129,867.60, 194,657.40 and 50,955.60 is: 76,376.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,867.60 : 194,657.40 = 50,955.60 : x
  2. Step 2: Convert to fraction form
    129,867.60/194,657.40 = 50,955.60/x
  3. Step 3: Cross multiply
    129,867.60x = 194,657.40 × 50,955.60
  4. Step 4: Simplify right side
    129,867.60x = 9,918,884,611.44
  5. Step 5: Solve for x
    x = 9,918,884,611.44/129,867.60
  6. Step 6: Final answer
    x = 76,376.90

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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.