Home / 129,968.70-194,953.05-55,076.10

Finding the Fourth Proportional to 129,968.70, 194,953.05 and 55,076.10

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Solution

The fourth proportional to 129,968.70, 194,953.05 and 55,076.10 is: 82,614.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,968.70 : 194,953.05 = 55,076.10 : x
  2. Step 2: Convert to fraction form
    129,968.70/194,953.05 = 55,076.10/x
  3. Step 3: Cross multiply
    129,968.70x = 194,953.05 × 55,076.10
  4. Step 4: Simplify right side
    129,968.70x = 10,737,253,677.11
  5. Step 5: Solve for x
    x = 10,737,253,677.11/129,968.70
  6. Step 6: Final answer
    x = 82,614.15

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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.