Home / 129,148.80-194,014.83-76,592.76

Finding the Fourth Proportional to 129,148.80, 194,014.83 and 76,592.76

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Solution

The fourth proportional to 129,148.80, 194,014.83 and 76,592.76 is: 115,062.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,148.80 : 194,014.83 = 76,592.76 : x
  2. Step 2: Convert to fraction form
    129,148.80/194,014.83 = 76,592.76/x
  3. Step 3: Cross multiply
    129,148.80x = 194,014.83 × 76,592.76
  4. Step 4: Simplify right side
    129,148.80x = 14,860,131,310.63
  5. Step 5: Solve for x
    x = 14,860,131,310.63/129,148.80
  6. Step 6: Final answer
    x = 115,062.09

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1.5x scale

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.