Home / 129,213.09-193,869.05-50,382.27

Finding the Fourth Proportional to 129,213.09, 193,869.05 and 50,382.27

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Solution

The fourth proportional to 129,213.09, 193,869.05 and 50,382.27 is: 75,592.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,213.09 : 193,869.05 = 50,382.27 : x
  2. Step 2: Convert to fraction form
    129,213.09/193,869.05 = 50,382.27/x
  3. Step 3: Cross multiply
    129,213.09x = 193,869.05 × 50,382.27
  4. Step 4: Simplify right side
    129,213.09x = 9,767,562,569.83
  5. Step 5: Solve for x
    x = 9,767,562,569.83/129,213.09
  6. Step 6: Final answer
    x = 75,592.67

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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.