Home / 130,005.20-195,094.20-73,845.20

Finding the Fourth Proportional to 130,005.20, 195,094.20 and 73,845.20

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Solution

The fourth proportional to 130,005.20, 195,094.20 and 73,845.20 is: 110,816.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,005.20 : 195,094.20 = 73,845.20 : x
  2. Step 2: Convert to fraction form
    130,005.20/195,094.20 = 73,845.20/x
  3. Step 3: Cross multiply
    130,005.20x = 195,094.20 × 73,845.20
  4. Step 4: Simplify right side
    130,005.20x = 14,406,770,217.84
  5. Step 5: Solve for x
    x = 14,406,770,217.84/130,005.20
  6. Step 6: Final answer
    x = 110,816.88

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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.