Home / 130,052.70-195,099.57-55,173.06

Finding the Fourth Proportional to 130,052.70, 195,099.57 and 55,173.06

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Solution

The fourth proportional to 130,052.70, 195,099.57 and 55,173.06 is: 82,768.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,052.70 : 195,099.57 = 55,173.06 : x
  2. Step 2: Convert to fraction form
    130,052.70/195,099.57 = 55,173.06/x
  3. Step 3: Cross multiply
    130,052.70x = 195,099.57 × 55,173.06
  4. Step 4: Simplify right side
    130,052.70x = 10,764,240,281.58
  5. Step 5: Solve for x
    x = 10,764,240,281.58/130,052.70
  6. Step 6: Final answer
    x = 82,768.30

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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.