Home / 129,772.60-194,622.45-41,053.30

Finding the Fourth Proportional to 129,772.60, 194,622.45 and 41,053.30

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Solution

The fourth proportional to 129,772.60, 194,622.45 and 41,053.30 is: 61,568.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,772.60 : 194,622.45 = 41,053.30 : x
  2. Step 2: Convert to fraction form
    129,772.60/194,622.45 = 41,053.30/x
  3. Step 3: Cross multiply
    129,772.60x = 194,622.45 × 41,053.30
  4. Step 4: Simplify right side
    129,772.60x = 7,989,893,826.59
  5. Step 5: Solve for x
    x = 7,989,893,826.59/129,772.60
  6. Step 6: Final answer
    x = 61,568.42

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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.