Home / 129,561.92-194,250.81-49,532.41

Finding the Fourth Proportional to 129,561.92, 194,250.81 and 49,532.41

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Solution

The fourth proportional to 129,561.92, 194,250.81 and 49,532.41 is: 74,263.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,561.92 : 194,250.81 = 49,532.41 : x
  2. Step 2: Convert to fraction form
    129,561.92/194,250.81 = 49,532.41/x
  3. Step 3: Cross multiply
    129,561.92x = 194,250.81 × 49,532.41
  4. Step 4: Simplify right side
    129,561.92x = 9,621,710,763.75
  5. Step 5: Solve for x
    x = 9,621,710,763.75/129,561.92
  6. Step 6: Final answer
    x = 74,263.42

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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.