Home / 129,631.40-194,430.69-50,800.98

Finding the Fourth Proportional to 129,631.40, 194,430.69 and 50,800.98

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Solution

The fourth proportional to 129,631.40, 194,430.69 and 50,800.98 is: 76,195.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,631.40 : 194,430.69 = 50,800.98 : x
  2. Step 2: Convert to fraction form
    129,631.40/194,430.69 = 50,800.98/x
  3. Step 3: Cross multiply
    129,631.40x = 194,430.69 × 50,800.98
  4. Step 4: Simplify right side
    129,631.40x = 9,877,269,594.08
  5. Step 5: Solve for x
    x = 9,877,269,594.08/129,631.40
  6. Step 6: Final answer
    x = 76,195.04

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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.