Home / 129,836.10-194,754.15-83,180.10

Finding the Fourth Proportional to 129,836.10, 194,754.15 and 83,180.10

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Solution

The fourth proportional to 129,836.10, 194,754.15 and 83,180.10 is: 124,770.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,836.10 : 194,754.15 = 83,180.10 : x
  2. Step 2: Convert to fraction form
    129,836.10/194,754.15 = 83,180.10/x
  3. Step 3: Cross multiply
    129,836.10x = 194,754.15 × 83,180.10
  4. Step 4: Simplify right side
    129,836.10x = 16,199,669,672.42
  5. Step 5: Solve for x
    x = 16,199,669,672.42/129,836.10
  6. Step 6: Final answer
    x = 124,770.15

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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.