Home / 129,684.20-194,672.10-100,232.60

Finding the Fourth Proportional to 129,684.20, 194,672.10 and 100,232.60

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Solution

The fourth proportional to 129,684.20, 194,672.10 and 100,232.60 is: 150,461.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,684.20 : 194,672.10 = 100,232.60 : x
  2. Step 2: Convert to fraction form
    129,684.20/194,672.10 = 100,232.60/x
  3. Step 3: Cross multiply
    129,684.20x = 194,672.10 × 100,232.60
  4. Step 4: Simplify right side
    129,684.20x = 19,512,490,730.46
  5. Step 5: Solve for x
    x = 19,512,490,730.46/129,684.20
  6. Step 6: Final answer
    x = 150,461.59

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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.