Home / 129,381.50-194,072.22-35,887.25

Finding the Fourth Proportional to 129,381.50, 194,072.22 and 35,887.25

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Solution

The fourth proportional to 129,381.50, 194,072.22 and 35,887.25 is: 53,830.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,381.50 : 194,072.22 = 35,887.25 : x
  2. Step 2: Convert to fraction form
    129,381.50/194,072.22 = 35,887.25/x
  3. Step 3: Cross multiply
    129,381.50x = 194,072.22 × 35,887.25
  4. Step 4: Simplify right side
    129,381.50x = 6,964,718,762.38
  5. Step 5: Solve for x
    x = 6,964,718,762.38/129,381.50
  6. Step 6: Final answer
    x = 53,830.87

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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.