Home / 129,763.70-194,537.55-54,941.30

Finding the Fourth Proportional to 129,763.70, 194,537.55 and 54,941.30

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Solution

The fourth proportional to 129,763.70, 194,537.55 and 54,941.30 is: 82,366.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,763.70 : 194,537.55 = 54,941.30 : x
  2. Step 2: Convert to fraction form
    129,763.70/194,537.55 = 54,941.30/x
  3. Step 3: Cross multiply
    129,763.70x = 194,537.55 × 54,941.30
  4. Step 4: Simplify right side
    129,763.70x = 10,688,145,895.82
  5. Step 5: Solve for x
    x = 10,688,145,895.82/129,763.70
  6. Step 6: Final answer
    x = 82,366.22

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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.