Home / 130,375.20-195,271.20-107,047.20

Finding the Fourth Proportional to 130,375.20, 195,271.20 and 107,047.20

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Solution

The fourth proportional to 130,375.20, 195,271.20 and 107,047.20 is: 160,331.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,375.20 : 195,271.20 = 107,047.20 : x
  2. Step 2: Convert to fraction form
    130,375.20/195,271.20 = 107,047.20/x
  3. Step 3: Cross multiply
    130,375.20x = 195,271.20 × 107,047.20
  4. Step 4: Simplify right side
    130,375.20x = 20,903,235,200.64
  5. Step 5: Solve for x
    x = 20,903,235,200.64/130,375.20
  6. Step 6: Final answer
    x = 160,331.38

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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.