Home / 129,996.19-194,869.71-55,013.16

Finding the Fourth Proportional to 129,996.19, 194,869.71 and 55,013.16

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Solution

The fourth proportional to 129,996.19, 194,869.71 and 55,013.16 is: 82,467.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,996.19 : 194,869.71 = 55,013.16 : x
  2. Step 2: Convert to fraction form
    129,996.19/194,869.71 = 55,013.16/x
  3. Step 3: Cross multiply
    129,996.19x = 194,869.71 × 55,013.16
  4. Step 4: Simplify right side
    129,996.19x = 10,720,398,535.38
  5. Step 5: Solve for x
    x = 10,720,398,535.38/129,996.19
  6. Step 6: Final answer
    x = 82,467.02

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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.