Home / 129,914.04-194,905.26-55,037.22

Finding the Fourth Proportional to 129,914.04, 194,905.26 and 55,037.22

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Solution

The fourth proportional to 129,914.04, 194,905.26 and 55,037.22 is: 82,570.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,914.04 : 194,905.26 = 55,037.22 : x
  2. Step 2: Convert to fraction form
    129,914.04/194,905.26 = 55,037.22/x
  3. Step 3: Cross multiply
    129,914.04x = 194,905.26 × 55,037.22
  4. Step 4: Simplify right side
    129,914.04x = 10,727,043,673.78
  5. Step 5: Solve for x
    x = 10,727,043,673.78/129,914.04
  6. Step 6: Final answer
    x = 82,570.32

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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.